desktop: upgrade requirements.

profiles/desktop/package.accept_keywords

@@ -90,7 +90,7 @@ dev-libs/gobject-introspection ~amd64
 dev-libs/gobject-introspection-common ~amd64
 =dev-libs/gobject-plugin-9999 **
 dev-libs/isl ~amd64
-dev-libs/icu ~amd64
+<dev-libs/icu-54 ~amd64
 dev-libs/jthread ~amd64
 dev-libs/kpathsea ~amd64
 dev-libs/leveldb ~amd64
@@ -272,7 +272,7 @@ media-libs/gst-plugins-ugly ~amd64
 media-libs/gstreamer ~amd64
 media-libs/harfbuzz ~amd64
 media-libs/lcms ~amd64
-media-libs/libcdr ~amd64
+<media-libs/libcdr-0.1 ~amd64
 media-libs/libjpeg-turbo ~amd64
 media-libs/libmad ~amd64
 media-libs/libmpeg2 ~amd64

profiles/desktop/package.use

@@ -159,7 +159,7 @@ sys-libs/gpm static-libs
 sys-libs/talloc python
 sys-libs/zlib static-libs minizip
 sys-power/cpufreqd apm lm_sensors pmu
-virtual/ffmpeg mp3 theora vaapi
+virtual/ffmpeg -libav mp3 theora vaapi
 virtual/jpeg static-libs
 virtual/libudev static-libs
 virtual/libgudev introspection static-libs