avoid ugly stacktrace in PyOpenGL (we don't need the dependency... bu…

…t it is small and we cannot avoid the stacktrace otherwise)

git-svn-id: https://xpra.org/svn/Xpra/trunk@940 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra.spec

@@ -19,7 +19,7 @@
 # distro-specific creative land of wonderness
 %if %{defined fedora}
 %define requires_x264 , libx264_118
-%define requires_extra , PyOpenGL, pygtkglext
+%define requires_extra , PyOpenGL, pygtkglext, python-numeric
 %endif
 
 %if 0%{?el6}