Fix missed version bump

Author: tturocy

configure.ac

@@ -20,7 +20,7 @@ dnl along with this program; if not, write to the Free Software
 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 dnl
 
-AC_INIT([gambit],[16.3.1])
+AC_INIT([gambit],[16.3.2])
 AC_CONFIG_SRCDIR([src/gambit.h])
 AM_INIT_AUTOMAKE([subdir-objects foreign])
 dnl AC_CONFIG_MACRO_DIR([m4])