maint: avoid "magic number exit".

[bison.git] / src / parse-gram.y

diff --git a/src/parse-gram.y b/src/parse-gram.y
index 5f46d2935a6c5e66aaa3df0e4097a33d4ff8382b..da0aef7133fcd3fe53f0a37edaff49fde9c2a164 100644 (file)
--- a/src/parse-gram.y
+++ b/src/parse-gram.y
@@ -758,8 +758,8 @@ version_check (location const *loc, char const *version)
   if (strverscmp (version, PACKAGE_VERSION) > 0)
     {
       complain_at (*loc, "require bison %s, but have %s",
-                  version, PACKAGE_VERSION);
-      exit (63);
+                   version, PACKAGE_VERSION);
+      exit (EX_CONFIG);
     }
 }