[gegl] Fix XML composition based regression test system.

[Øyvind Kolås <ok src gnome org>]

commit f119279d23674cf1f4017ce644b6fc24cfc1d6dc
Author: �yvind Kolås <pippin gimp org>
Date:   Sun Jan 17 17:09:00 2010 +0000

    Fix XML composition based regression test system.
    
    In working around srcdir!=builddir issues, local plain build was broken,
    this should fix it.

 tests/compositions/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/compositions/Makefile.am b/tests/compositions/Makefile.am
index af646d1..3083c04 100644
--- a/tests/compositions/Makefile.am
+++ b/tests/compositions/Makefile.am
@@ -12,7 +12,7 @@ images.stamp: $(wildcard $(builddir)/*.xml) \
 	      $(top_builddir)/gegl/libgegl-$(GEGL_API_VERSION).la \
 	      $(top_builddir)/bin/gegl$(EXEEXT)
 	@echo "--[updating test renders]--"; \
-	mkdir output;
+	mkdir output || true ;
 	ln -s $(srcdir)/reference $(builddir)/reference;
 	for XML in $(srcdir)/*.xml; do \
 	    export BASE=`echo $$XML | sed s?$(srcdir)/?? | sed s/\.xml//`;\