grammar: warn about unused precedence for symbols

[bison.git] / src / graphviz.c

diff --git a/src/graphviz.c b/src/graphviz.c
index 16ea8b9e6e8247d8752235fece77b3d3d68a49ff..5ee41e73f3523fea0a306dc5f8bece5782649a5c 100644 (file)
--- a/src/graphviz.c
+++ b/src/graphviz.c
@@ -1,6 +1,6 @@
 /* Output Graphviz specification of a state machine generated by Bison.
 
-   Copyright (C) 2006-2007, 2009-2012 Free Software Foundation, Inc.
+   Copyright (C) 2006-2007, 2009-2013 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -103,7 +103,7 @@ conclude_red (struct obstack *out, int source, rule_number ruleno,
   /* If no lookahead tokens were valid transitions, this reduction is
      actually hidden, so cancel everything. */
   if (first)
-    return (void) obstack_finish0 (out);
+    (void) obstack_finish0 (out);
   else
     {
       char const *ed = enabled ? "" : "d";