[gnome-themes-standard] Revert "Remove a reference to themes/Adwaita/gtk-2.0/Makefile"

[Jakub Steiner <jimmac src gnome org>]

commit 251e2fab80f7f2303b37a2bbda3f4554d3a37683
Author: Jakub Steiner <jimmac gmail com>
Date:   Wed Nov 26 17:24:16 2014 +0100

    Revert "Remove a reference to themes/Adwaita/gtk-2.0/Makefile"
    
    This reverts commit ce6254d0887ecced53344cbabb45159832e91369.

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 3334433..525e305 100644
--- a/configure.ac
+++ b/configure.ac
@@ -83,6 +83,7 @@ AC_CONFIG_FILES([
 Makefile
 themes/Makefile
 themes/Adwaita/Makefile
+themes/Adwaita/gtk-2.0/Makefile
 themes/Adwaita/gtk-3.0/Makefile
 themes/Adwaita/metacity-1/Makefile
 themes/HighContrast/Makefile