[gtk+] Fix a typo

[Matthias Clasen <matthiasc src gnome org>]

commit d58a3439e4531932b936cc2e876177d19e443f67
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jun 15 04:15:32 2014 -0400

    Fix a typo

 testsuite/gtk/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/testsuite/gtk/Makefile.am b/testsuite/gtk/Makefile.am
index 1a809a2..a41d848 100644
--- a/testsuite/gtk/Makefile.am
+++ b/testsuite/gtk/Makefile.am
@@ -131,7 +131,7 @@ keyhash_SOURCES     =                                       \
 test_icontheme =                                       \
        icons/index.theme                               \
        icons/16x16/simple.png                          \
-       icons/16x16/twosize-fixed.png                   \
+       icons/16x16/twosize-fixed.svg                   \
        icons/16x16s/twosize.png                        \
        icons/32x32/only32-symbolic.svg                 \
        icons/32x32/twosize-fixed.svg                   \