Check for VERSION in source dir.

Originally committed as revision 21067 to svn://svn.ffmpeg.org/ffmpeg/trunk

version.sh

@@ -26,7 +26,7 @@ fi
 test $revision || revision=UNKNOWN
 
 # releases extract the version number from the VERSION file
-version=$(cat VERSION 2> /dev/null)
+version=$(cd "$1" && cat VERSION 2> /dev/null)
 test $version || version=$revision
 
 test -n "$3" && version=$version-$3