[gdm] Makefile: Move to AM_DISTCHECK_CONFIGURE_FLAGS

[Mario Sanchez Prada <msanchez src gnome org>]

commit 8918b0b52c0848be5a4f9f17a5b634a99da3c8f6
Author: Sam Spilsbury <smspillaz gmail com>
Date:   Tue Jul 21 08:14:59 2015 +0800

    Makefile: Move to AM_DISTCHECK_CONFIGURE_FLAGS
    
    Since automake 1.11.2 it is recommended that packages
    use AM_DISTCHECK_CONFIGURE_FLAGS instead of
    DISTCHECK_CONFIGURE_FLAGS as the latter is intended
    to be a user variable.

 Makefile.am  |    2 +-
 configure.ac |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index fa3bdcc..d3c46c8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -30,4 +30,4 @@ EXTRA_DIST = \
 DISTCLEANFILES = \
        $(NULL)
 
-DISTCHECK_CONFIGURE_FLAGS = --enable-split-authentication --enable-introspection
+AM_DISTCHECK_CONFIGURE_FLAGS = --enable-split-authentication --enable-introspection
diff --git a/configure.ac b/configure.ac
index 060816d..d9a5b5c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ AC_INIT([gdm],
 
 AC_CONFIG_SRCDIR([daemon/gdm-manager.c])
 
-AM_INIT_AUTOMAKE([1.10 no-dist-gzip dist-xz tar-ustar -Wall])
+AM_INIT_AUTOMAKE([1.11.2 no-dist-gzip dist-xz tar-ustar -Wall])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 AM_MAINTAINER_MODE([enable])