[gtkglext] Don't use AM_MAINTAINER_MODE. (See the Automake manual for why.)

[Braden McDaniel <bradenmcd src gnome org>]

commit 3e2f55548d9e7d5cda749796f48dc52bf87ab908
Author: Braden McDaniel <braden bolt endoframe net>
Date:   Tue Dec 8 00:24:11 2009 -0500

    Don't use AM_MAINTAINER_MODE.  (See the Automake manual for why.)

 configure.ac |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index cf6251a..838b6d1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -96,9 +96,6 @@ AM_INIT_AUTOMAKE([1.7 no-define dist-bzip2 dist-zip])
 # Specify a configuration file
 AM_CONFIG_HEADER([config.h])
 
-dnl Initialize maintainer mode
-AM_MAINTAINER_MODE
-
 AC_CANONICAL_HOST
 
 # GtkGLExt version