[gtk+] Install a missing file

[Matthias Clasen <matthiasc src gnome org>]

commit c10ddf8ec8db4e2992da827a353ceb9f9e3e0d34
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jul 21 22:04:39 2014 -0400

    Install a missing file
    
    This was causing the css parser tests to fail in continuous.

 testsuite/css/parser/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/testsuite/css/parser/Makefile.am b/testsuite/css/parser/Makefile.am
index e3f3cac..c7754ce 100644
--- a/testsuite/css/parser/Makefile.am
+++ b/testsuite/css/parser/Makefile.am
@@ -326,6 +326,7 @@ test_data = \
        property-name-errors.errors \
        property-name-errors.ref.css \
        pseudo-classes-known.css \
+       pseudo-classes-known.ref.css \
        pseudo-classes-unknown.css \
        pseudo-classes-unknown.errors \
        pseudo-classes-unknown.ref.css \