Index: thunar-vfs/Makefile.am
===================================================================
--- thunar-vfs/Makefile.am	(revision 29678)
+++ thunar-vfs/Makefile.am	(working copy)
@@ -349,7 +349,7 @@
 	( cd $(srcdir) && glib-genmarshal \
 		--prefix=_thunar_vfs_marshal \
 		--header thunar-vfs-marshal.list \
-	     | sed -e 's/marshal_data);$$/marshal_data) G_GNUC_INTERNAL;/' ) >> xgen-tvmh \
+		--internal ) >> xgen-tvmh \
 	&& ( cmp -s xgen-tvmh thunar-vfs-marshal.h || cp xgen-tvmh thunar-vfs-marshal.h ) \
 	&& rm -f xgen-tvmh \
 	&& echo timestamp > $(@F)