smb: client: clear ce->tgthint in free_tgts()

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/smb/client/dfs_cache.c"
                    ],
                    "versions": [
                        {
                            "version": "54be1f6c1c37498bba557049df646cc239fa37e3",
                            "lessThan": "14f60e959b5ac813715ff72e127beb3584ddabf6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54be1f6c1c37498bba557049df646cc239fa37e3",
                            "lessThan": "3ff9462bb7a06d8d32a1dc02d39580b078ec9e55",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54be1f6c1c37498bba557049df646cc239fa37e3",
                            "lessThan": "7507bd1885643d0461a6017767492450af1ce2a3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54be1f6c1c37498bba557049df646cc239fa37e3",
                            "lessThan": "9ab46a13798a61d9d020b01d4e57efdabe6624fa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54be1f6c1c37498bba557049df646cc239fa37e3",
                            "lessThan": "5baab40404a9393bcc0b7b8f1950bf2c307e0984",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54be1f6c1c37498bba557049df646cc239fa37e3",
                            "lessThan": "b1b741cf8e7ce1b91d937e23decd3d3358748700",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/smb/client/dfs_cache.c"
                    ],
                    "versions": [
                        {
                            "version": "5.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }