Change vesion back to SVN. How did I forget to do that during release. Tisk.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4348 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

configure.ac

@@ -20,7 +20,7 @@
 #
 # $Id$
 
-AC_INIT([GNU nano], [2.1.7], [nano-devel@gnu.org], [nano])
+AC_INIT([GNU nano], [2.1.7-svn], [nano-devel@gnu.org], [nano])
 AC_CONFIG_SRCDIR([src/nano.c])
 AC_CANONICAL_TARGET([])
 AM_INIT_AUTOMAKE