[gtk-engines/gtk-engines-2-22] Fix bashism (bug #643333, Tim Mooney).

[Benjamin Berg <bberg src gnome org>]

commit 3549e46ad57fd012d3d36f7da9b506c28e91beb8
Author: Benjamin Berg <benjamin sipsolutions net>
Date:   Sun Sep 18 16:26:03 2011 +0200

    Fix bashism (bug #643333, Tim Mooney).

 test/torture |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/test/torture b/test/torture
index 31f6917..d2d157a 100755
--- a/test/torture
+++ b/test/torture
@@ -30,7 +30,8 @@ for RC_FILE in $srcdir/gtkrcs/$ENGINE*; do
 	test -f $RC_FILE || continue
 	something_tested="1"
 	
-	export GTK2_RC_FILES=$RC_FILE
+	GTK2_RC_FILES=$RC_FILE
+	export GTK2_RC_FILES
 	RC_FILE_BASENAME="`basename $RC_FILE`"
 	MY_EXEC_WRAPPER="`echo "$EXEC_WRAPPER" | sed s/THEME/$RC_FILE_BASENAME/`"