[codemod][llvm15] LLVM-15 fixes for caffe2/caffe2/video/video_decoder.h (#89940)
Summary: This fixes issues which block `caffe2/caffe2/video/video_decoder.h` from compiling with LLVM-15.
Test Plan: Sandcastle
Reviewed By: meyering
Differential Revision: D41603451
Pull Request resolved: https://github.com/pytorch/pytorch/pull/89940
Approved by: https://github.com/soumith
