mmichelson reported a compilation error related to codec bit expansion that should be resolved with a simple include of frame_defs.h

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@227645 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/pbx.h

@@ -29,6 +29,7 @@
 #include "asterisk/hashtab.h"
 #include "asterisk/stringfields.h"
 #include "asterisk/xmldoc.h"
+#include "asterisk/frame_defs.h"
 
 #if defined(__cplusplus) || defined(c_plusplus)
 extern "C" {