Updated OpenFST version to openfst-1.3.2-CL32004048 from Greco3.

Change-Id: I19b0db718256b35c0e3e5a7315f1ed6335e6dcac
diff --git a/configure.ac b/configure.ac
index 211dcd7..908a6d5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([OpenFst], [1.2.10], [help@www.openfst.org])
+AC_INIT([OpenFst], [1.3.2], [help@www.openfst.org])
 AM_INIT_AUTOMAKE([foreign nostdinc -Wall -Werror])
 
 AC_PROG_CXX
@@ -19,6 +19,7 @@
   src/extensions/const/Makefile
   src/extensions/far/Makefile
   src/extensions/lookahead/Makefile
+  src/extensions/ngram/Makefile
   src/extensions/pdt/Makefile
   src/script/Makefile
 ])
@@ -63,6 +64,15 @@
 AM_CONDITIONAL([HAVE_FAR], [test "x$enable_far" != xno])
 
 AC_ARG_ENABLE(
+	[ngram-fsts],
+	[AS_HELP_STRING(
+		[--enable-ngram-fsts],
+		[enable NGramFst extension])],
+	[],
+	[enable_ngram_fsts=no])
+AM_CONDITIONAL([HAVE_NGRAM], [test "x$enable_ngram_fsts" != xno])
+
+AC_ARG_ENABLE(
 	[lookahead-fsts],
 	[AS_HELP_STRING(
 		[--enable-lookahead-fsts],