[gnome-screenshot] build: don't increase our Automake requirement

[Michael Catanzaro <mcatanzaro src gnome org>]

commit d00f75d5d391d0dc0c34aa3fd7560cd55a90fb52
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Fri Jun 17 17:45:00 2016 -0500

    build: don't increase our Automake requirement
    
    RHEL 7 doesn't have Automake 1.14. This partially reverts today's
    earlier commit.

 configure.ac |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b3068fd..3e78211 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,7 +5,7 @@ AC_INIT([gnome-screenshot],[3.20.0],[],[gnome-screenshot])
 AC_CONFIG_HEADERS(config.h)
 AC_CONFIG_MACRO_DIR([m4])
 
-AM_INIT_AUTOMAKE([1.14 dist-xz no-dist-gzip foreign])
+AM_INIT_AUTOMAKE([1.11 dist-xz no-dist-gzip foreign])
 AM_SILENT_RULES([yes])
 
 GETTEXT_PACKAGE=AC_PACKAGE_NAME
@@ -14,6 +14,7 @@ AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",[The name of the gettext d
 IT_PROG_INTLTOOL(0.50.2)
 
 AC_PROG_CC
+AM_PROG_CC_C_O
 
 GLIB_GSETTINGS