upgrade to Bison 1.31

bison/bison.spec

@@ -32,8 +32,8 @@ Packager:     The OpenPKG Project
 Distribution: OpenPKG [REL]
 Group:        Language
 License:      GPL
-Version:      1.30
-Release:      20011201
+Version:      1.31
+Release:      20020115
 
 #   list of sources
 Source0:      ftp://ftp.gnu.org/gnu/bison/bison-%{version}.tar.gz