update version to 0.93

Change-Id: If65b8281933b5833b5ce83239688e775cc267f4c
diff --git a/configure.ac b/configure.ac
index 1a36357..2422616 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 # Process this file with autoconf to produce a configure script.
-AC_INIT(openggsn, 0.92, laforge@gnumonks.org)
+AC_INIT(openggsn, 0.93, laforge@gnumonks.org)
 AC_CONFIG_SRCDIR([gtp/gtp.c])
 AM_CONFIG_HEADER([config.h])
 #AC_CONFIG_HEADER([config.h])