the ffmpeg codec should link against libavutil, failure to do so can …

…cause build time failures on some platforms (win32), and runtime failures on others (with stricter dependency loading)

git-svn-id: https://xpra.org/svn/Xpra/trunk@14675 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/setup.py

@@ -2353,7 +2353,7 @@ def osx_pkgconfig(*pkgs_options, **ekw):
 
 toggle_packages(enc_ffmpeg_ENABLED, "xpra.codecs.enc_ffmpeg")
 if enc_ffmpeg_ENABLED:
-    ffmpeg_pkgconfig = pkgconfig("libavcodec", "libavformat")
+    ffmpeg_pkgconfig = pkgconfig("libavcodec", "libavformat", "libavutil")
     cython_add(Extension("xpra.codecs.enc_ffmpeg.encoder",
                 ["xpra/codecs/enc_ffmpeg/encoder.pyx"]+membuffers_c,
                 **ffmpeg_pkgconfig))