v4l2: Fix use after free of fmtdesc part 2
Add missing code in merge commit e890e6e8 ("v4l2: Fix use after free of fmtdesc"). The v4l2object code was missing.
Related to !4317 (merged)
Add missing code in merge commit e890e6e8 ("v4l2: Fix use after free of fmtdesc"). The v4l2object code was missing.
Related to !4317 (merged)