[gnome-settings-daemon] build: Fix from previous commit

[Colin Walters <walters src gnome org>]

commit 10b97ea4f2c4a6c579e4fc95664e4aea88815f10
Author: Colin Walters <walters verbum org>
Date:   Tue Jul 2 09:21:01 2013 -0400

    build: Fix from previous commit
    
    Generally I add $(AM_FOO) before each modname_FOO variable.

 gnome-settings-daemon/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gnome-settings-daemon/Makefile.am b/gnome-settings-daemon/Makefile.am
index 5ef9f22..7cb2805 100644
--- a/gnome-settings-daemon/Makefile.am
+++ b/gnome-settings-daemon/Makefile.am
@@ -26,6 +26,7 @@ libgsd_la_SOURCES =           \
        $(NULL)
 
 libgsd_la_CPPFLAGS =           \
+       $(AM_CPPFLAGS)                  \
        $(DISABLE_DEPRECATED_CFLAGS)    \
        $(NULL)