[gupnp-vala] configure.ac: Use maintainer mode by default

[Javier JardÃn <jjardon src gnome org>]

commit 4978b199d260371169a0503618388aac23c00e01
Author: Javier JardÃn <jjardon gnome org>
Date:   Sun Sep 11 01:39:36 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 e2ca835..b71b69a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ AC_CANONICAL_SYSTEM
 
 AM_INIT_AUTOMAKE(gupnp-vala, 0.10.1)
 
-AM_MAINTAINER_MODE
+AM_MAINTAINER_MODE([enable])
 
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4])