[gtk+] build: Fix srcdir != builddir

[Colin Walters <walters src gnome org>]

commit 5e7df8bf1473e3ea699dc7b31e1b487e08b17c36
Author: Colin Walters <walters verbum org>
Date:   Mon Apr 8 10:16:58 2013 -0400

    build: Fix srcdir != builddir

 gtk/tests/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/tests/Makefile.am b/gtk/tests/Makefile.am
index c7bd43a..0bbd4f5 100644
--- a/gtk/tests/Makefile.am
+++ b/gtk/tests/Makefile.am
@@ -6,6 +6,8 @@ AM_CPPFLAGS = \
        -I$(top_srcdir)                 \
        -I$(top_builddir)/gdk           \
        -I$(top_srcdir)/gdk             \
+       -I$(top_builddir)/gtk           \
+       -I$(top_srcdir)/gtk             \
        -DSRCDIR=\""$(abs_srcdir)"\"    \
        $(GTK_DEBUG_FLAGS)              \
        $(GTK_DEP_CFLAGS)