[mutter] configure: Conditionalize WAYLAND_SCANNER too

[Jasper St. Pierre <jstpierre src gnome org>]

commit 3d37b5d69681562c446925e3cbcea4ffe281b1fb
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Aug 26 16:38:20 2014 -0400

    configure: Conditionalize WAYLAND_SCANNER too
    
    It seems we forgot this.

 configure.ac |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 84a9aad..d37814f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -192,10 +192,6 @@ if test x$found_introspection != xno; then
   AC_SUBST(META_GIR)
 fi
 
-AC_PATH_PROG([WAYLAND_SCANNER],[wayland-scanner],[no])
-AS_IF([test "x$WAYLAND_SCANNER" = "xno"],
-  AC_MSG_ERROR([Could not find wayland-scanner in your PATH, required for parsing wayland extension 
protocols]))
-AC_SUBST([WAYLAND_SCANNER])
 AC_SUBST(XWAYLAND_PATH)
 
 PKG_CHECK_MODULES(MUTTER, $MUTTER_PC_MODULES)
@@ -208,6 +204,11 @@ AM_CONDITIONAL([HAVE_NATIVE_BACKEND],[test $have_native_backend = yes])
 
 PKG_CHECK_MODULES(MUTTER_WAYLAND, [clutter-wayland-1.0 clutter-wayland-compositor-1.0 wayland-server >= 
1.5.90], [have_wayland=yes], [have_wayland=no])
 if test $have_wayland = yes; then
+   AC_PATH_PROG([WAYLAND_SCANNER],[wayland-scanner],[no])
+   AS_IF([test $WAYLAND_SCANNER = "no"],
+     AC_MSG_ERROR([Could not find wayland-scanner in your PATH, required for parsing wayland extension 
protocols]))
+   AC_SUBST([WAYLAND_SCANNER])
+
    AC_DEFINE([HAVE_WAYLAND],[1],[Define if you want to enable Wayland support])
 fi
 AM_CONDITIONAL([HAVE_WAYLAND],[test $have_wayland = yes])