Fix FindFFMPEG. Previously, cmake was setting _COMPONENT_FOUND true even if the headers weren't found.  The new version should work much better. The deprecated 'pkgconfig' was also replaced.
Fix FindFFMPEG. Previously, cmake was setting _COMPONENT_FOUND true even if the headers weren't found. 
The new version should work much better.
The deprecated 'pkgconfig' was also replaced.


svn path=/trunk/kdesupport/strigi/; revision=1139520

KDE/strigi