[gnome-control-center] wacom: Add required libs to the requirements

[Bastien Nocera <hadess src gnome org>]

commit b73a0a7c6ab381b2927198255072d2f83d95df91
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Nov 25 16:52:08 2011 +0000

    wacom: Add required libs to the requirements
    
    They were only dragged in through GTK+ with XI2 support.

 configure.ac |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d7aa760..9d0d5e6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -119,7 +119,8 @@ PKG_CHECK_MODULES(USER_ACCOUNTS_PANEL, $COMMON_MODULES dbus-glib-1
                   gnome-desktop-3.0
                   gdk-pixbuf-2.0 >= $GDKPIXBUF_REQUIRED_VERSION)
 PKG_CHECK_MODULES(WACOM_PANEL, $COMMON_MODULES
-                  gnome-settings-daemon >= $GSD_REQUIRED_VERSION)
+                  gnome-settings-daemon >= $GSD_REQUIRED_VERSION
+                  xi >= 1.2 x11)
 
 GDESKTOP_PREFIX=`$PKG_CONFIG --variable prefix gsettings-desktop-schemas`
 AC_SUBST(GDESKTOP_PREFIX)