[gnome-themes-standard] Add the Adwaita/gtk-3.0 directory to configure.in

[Matthias Clasen <matthiasc src gnome org>]

commit eafd35d980accade996d0239e981802077be1cbd
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jul 21 14:15:45 2014 -0400

    Add the Adwaita/gtk-3.0 directory to configure.in
    
    This broke the build in continuous.

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5a97148..3c86de7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -85,6 +85,7 @@ themes/Makefile
 themes/Adwaita/Makefile
 themes/Adwaita/backgrounds/Makefile
 themes/Adwaita/gtk-2.0/Makefile
+themes/Adwaita/gtk-3.0/Makefile
 themes/Adwaita/metacity-1/Makefile
 themes/HighContrast/Makefile
 themes/HighContrast/gtk-2.0/Makefile