[gnome-icon-theme/new-build-system] Add the missing test call, forgot I needed to add it here

[Rodney Dawes <dobey src gnome org>]

commit 0477c2ffcbd2b9be9d17ce421d21190737152480
Author: Rodney Dawes <dobey gnome org>
Date:   Tue Jan 12 13:36:21 2010 -0500

    Add the missing test call, forgot I needed to add it here

 src/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 378a2d8..666f686 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -12,7 +12,7 @@ render-png: $(icon_in_files) Makefile
 
 else
 render-png: $(icon_in_files) Makefile
-	if "x$(top_srcdir)" != "x$(top_builddir)"; then \
+	if test "x$(top_srcdir)" != "x$(top_builddir)"; then \
 		cp -a $(top_srcdir)/$(SVGOUTDIR) $(top_builddir)/$(SVGOUTDIR); \
 	fi