Exclude .svn and .git directories from doxygen documentation.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@21229 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Doxyfile

@@ -370,7 +370,7 @@ EXCLUDE_SYMLINKS       = NO
 # EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
 # certain files from those directories.
 
-EXCLUDE_PATTERNS       =
+EXCLUDE_PATTERNS       = *.svn *.git
 
 # The EXAMPLE_PATH tag can be used to specify one or more files or
 # directories that contain example code fragments that are included (see