n6.1.3
configure: always enable gnu_windres if available
Merge commit '535a742c2695a9e0c586b50d7fa76e318232ff24'
libpostproc: check minimum size
Keep including the full version.h when headers are included externally
postproc/postprocess_template: Fix reading uninitialized pixels in dering_C()
lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump
Add Windows resource file support for shared libraries
lib*/version: Move library version functions into files of their own
Bump versions prior to 6.1
Bump major versions of all libraries