n5.1.9
lib*/version: Move library version functions into files of their own
Merge commit '535a742c2695a9e0c586b50d7fa76e318232ff24'
libpostproc: check minimum size
Keep including the full version.h when headers are included externally
lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump
libpostproc/postprocess_template: Don't reimplement FFSWAP
Add Windows resource file support for shared libraries
Bump Versions for 5.1 branch
libpostproc: Split version.h