Fix possible problems with _pending_locate_request getting stuck at true and hence stopping playhead movement.

git-svn-id: svn://localhost/ardour2/branches/3.0@7369 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/ardour/session_transport.cc

@@ -783,6 +783,7 @@ Session::locate (nframes64_t target_frame, bool with_roll, bool with_flush, bool
 			set_transport_speed (1.0, false);
 		}
 		loop_changing = false;
+		Located (); /* EMIT SIGNAL */
 		return;
 	}