[gdm] configure: bump to 3.30.0

[Ray Strode <halfline src gnome org>]

commit a82bb3130c884bf753a1286e820d83c3d9320b3c
Author: Ray Strode <rstrode redhat com>
Date:   Tue Sep 4 12:52:03 2018 -0400

    configure: bump to 3.30.0

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index edf22f30..1a25c808 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 
 AC_PREREQ([2.60])
 AC_INIT([gdm],
-        [3.29.92],
+        [3.30.0],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=gdm])
 
 AC_CONFIG_SRCDIR([daemon/gdm-manager.c])