fat: fix uninitialized field in nostale filehandles

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2024-26973 · Microsoft / collected KEV context

cve-program · CVE-2024-26973

• https://git.kernel.org/stable/c/9840d1897e28f8733cc1e38f97e044f987dc0a63
• https://git.kernel.org/stable/c/f52d7663a10a1266a2d3871a6dd8fd111edc549f
• https://git.kernel.org/stable/c/a276c595c3a629170b0f052a3724f755d7c6adc6
• https://git.kernel.org/stable/c/b7fb63e807c6dadf7ecc1d43448c4f1711d7eeee
• https://git.kernel.org/stable/c/c8cc05de8e6b5612b6e9f92c385c1a064b0db375
• https://git.kernel.org/stable/c/03a7e3f2ba3ca25f1da1d3898709a08db14c1abb
• https://git.kernel.org/stable/c/74f852654b8b7866f15323685f1e178d3386c688
• https://git.kernel.org/stable/c/cdd33d54e789d229d6d5007cbf3f53965ca1a5c6
• https://git.kernel.org/stable/c/fde2497d2bc3a063d8af88b258dbadc86bd7b57c

No related operational record is retained in the current change model.