[babl] build: Enable maintainer mode by default

[Mukund Sivaraman <muks src gnome org>]

commit a268c654739258f93a1a18087bdd644d8e243355
Author: Mukund Sivaraman <muks banu com>
Date:   Tue Sep 13 00:38:29 2011 +0530

    build: Enable maintainer mode by default
    
    See <http://blogs.gnome.org/desrt/2011/09/08/am_maintainer_mode-is-not-cool/>.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 02b43f6..2688202 100644
--- a/configure.ac
+++ b/configure.ac
@@ -123,7 +123,7 @@ AC_LIBTOOL_WIN32_DLL
 AM_PROG_LIBTOOL
 
 dnl Initialize maintainer mode
-AM_MAINTAINER_MODE
+AM_MAINTAINER_MODE([enable])
 
 AC_STDC_HEADERS
 AM_SANITY_CHECK