switch doxygen generation in sofia-sip around to use configure generated files. This should avoid some problems with warnings and errors when builing the manpages. You will probably need to autoreconf and configure sofia-sip for this

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4979 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/sofia-sip/libsofia-sip-ua/msg/Makefile.am

@@ -66,7 +66,7 @@ msg_name_hash_LDFLAGS =	-static
 
 dist_pkgdata_SCRIPTS = 	msg_parser.awk
 
-EXTRA_DIST =		Doxyfile msg.docs \
+EXTRA_DIST =		msg.docs \
 			sofia-sip/msg_mime_protos.h.in \
 			sofia-sip/msg_protos.h.in \
 			msg_mime_table.c.in \