[nautilus] configure.ac: bump required GLib version to 2.49.1

[Ernestas Kulik <ernestask src gnome org>]

commit 87bfaa4997f59d51d64c5774b82a4df9f3704eb4
Author: Ernestas Kulik <ernestask src gnome org>
Date:   Thu Jul 14 11:54:46 2016 +0300

    configure.ac: bump required GLib version to 2.49.1
    
    The build fails on systems with GLib versions older than 2.49.1. That is
    due to changes in GtkPlacesView, which require new symbols. This commit
    bumps the version requirement in configure.ac to inform the user during
    the configure phase.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 493c5de..38ead2e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ(2.54)
 
 dnl ===========================================================================
 
-m4_define(glib_minver,                 2.45.7)
+m4_define(glib_minver,                 2.49.1)
 m4_define(gnome_desktop_minver,        3.0.0)
 m4_define(pango_minver,                1.28.3)
 m4_define(gtk_minver,                  3.19.12)