[gnome-control-center] Fix HAVE_LIBSLAB check

[Rodrigo Moya <rodrigo src gnome org>]

commit 1db2175f4946dff5546c17071456de8ced0902c6
Author: Rodrigo Moya <rodrigo gnome-db org>
Date:   Mon Jun 29 13:09:56 2009 +0200

    Fix HAVE_LIBSLAB check

 configure.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index 6463d73..246e569 100644
--- a/configure.in
+++ b/configure.in
@@ -119,7 +119,7 @@ PKG_CHECK_MODULES(LIBSLAB, [
 			   have_libslab=no)
 AC_SUBST(LIBSLAB_CFLAGS)
 AC_SUBST(LIBSLAB_LIBS)
-AM_CONDITIONAL(HAVE_LIBSLAB, test "x$have_libslab"="xyes")
+AM_CONDITIONAL(HAVE_LIBSLAB, [test $have_libslab = yes])
 
 dnl
 dnl Check for Xft version 2; we build in extra functionality to the font capplet