[xpra-codecs-freeworld/f27] (7 commits) ...Merge branch 'master' into f27

Summary of changes: b96c370... Fix ?_isa macro (*) 63164cc... Disable Werror=deprecated-declarations on fedora > 27 (*) c1867fe... Use --without-strict option (upstream bug #1772) (*) bfa7fd3... Rebuilt (*) 9d88622... Update to 2.2.5 (*) bf26e81... - Rebuilt for new ffmpeg snapshot (*) 9d42428... Merge branch 'master' into f27 (*) This commit already existed in another branch; no separate mail sent