[mutter] Reverting "configure: Turn off -Werror by default" Revert "configure: Turn off -Werror by default"

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

commit 331c9aaee4aab3f7f945c0278ca2c86f48d55c6e
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Oct 24 00:31:46 2011 -0400

    Reverting "configure: Turn off -Werror by default" Revert "configure: Turn off -Werror by default"
    
    This reverts commit a26e72c452d98c5c2c68dcaa3d8117b86af1f9ce.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=662574

 configure.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index ff59734..4b90287 100644
--- a/configure.in
+++ b/configure.in
@@ -436,7 +436,7 @@ GNOME_DOC_INIT([0.8.0])
 # minimum/yes/maximum are the same, however.
 AC_ARG_ENABLE(compile_warnings,
   AS_HELP_STRING([--enable-compile-warnings=@<:@no/minimum/yes/maximum/error@:>@],[Turn on compiler warnings]),,
-  enable_compile_warnings=maximum)
+  enable_compile_warnings=error)
 
 changequote(,)dnl
 if test "$enable_compile_warnings" != no ; then