remove unused struct member

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4861 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/libdingaling/src/libdingaling.c

@@ -165,7 +165,6 @@ struct ldl_session {
 
 struct ldl_avatar {
 	char *path;
-	char *from;
 	char *base64;
 	char hash[256];
 };