[gnome-keyring] configure.ac: use maintainer mode by default

[Javier JardÃn <jjardon src gnome org>]

commit e7f713aa74aed6aac55750bd35353952458803e6
Author: Javier JardÃn <jjardon gnome org>
Date:   Sun Sep 11 01:33:32 2011 +0100

    configure.ac: use maintainer mode by default
    
    See
    https://mail.gnome.org/archives/desktop-devel-list/2011-September/msg00064.html

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index f2ec06c..0b7e639 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,7 +40,7 @@ full_version=`printf %03d%03d%03d $version_bits`
 AC_DEFINE_UNQUOTED(GKR_VERSION, $full_version, [The gnome-keyring version as a number])
 
 AM_SANITY_CHECK
-AM_MAINTAINER_MODE
+AM_MAINTAINER_MODE([enable])
 
 AC_GNU_SOURCE
 AC_ISC_POSIX