contrib: doxygen: add gcc/analyzer subdirectory to INPUT

contrib/ChangeLog:
	* gcc.doxy (INPUT): Add gcc/analyzer subdirectory.

Signed-off-by: David Malcolm <dmalcolm@redhat.com>

contrib/gcc.doxy

@@ -478,7 +478,7 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories 
 # with spaces.
 
-INPUT                  = gcc
+INPUT                  = gcc gcc/analyzer
 
 # This tag can be used to specify the character encoding of the source files that 
 # doxygen parses. Internally doxygen uses the UTF-8 encoding, which is also the default