[gnome-settings-daemon] build: Don't build orientation plugin if GUdev is not available

[Michael Biebl <mbiebl src gnome org>]

commit 3fb60d31f5f5f7846d0329e1314e396ef3213c35
Author: Michael Biebl <biebl debian org>
Date:   Sat Oct 27 04:07:57 2012 +0200

    build: Don't build orientation plugin if GUdev is not available
    
    We should check for have_gudev, not enable_gudev in this case.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 88bf8ae..09b0780 100644
--- a/configure.ac
+++ b/configure.ac
@@ -216,7 +216,7 @@ dnl ---------------------------------------------------------------------------
 dnl - orientation plugin stuff
 dnl ---------------------------------------------------------------------------
 
-if test x$enable_gudev != xno; then
+if test x$have_gudev != xno; then
 	PKG_CHECK_MODULES(ORIENTATION, [gnome-desktop-3.0 >= $GNOME_DESKTOP_REQUIRED_VERSION gudev-1.0])
 fi