maint: add missing const.

[bison.git] / src / symtab.h

diff --git a/src/symtab.h b/src/symtab.h
index 4663a6958a870eca8fb2dadfe0e290aa5a625262..e2bf2d384c3f8ec09f08e7194a1f0ba6f26115d7 100644 (file)
--- a/src/symtab.h
+++ b/src/symtab.h
@@ -149,7 +149,7 @@ symbol *dummy_symbol_get (location loc);
 `--------------------*/
 
 /** Print a symbol (for debugging). */
-void symbol_print (symbol *s, FILE *f);
+void symbol_print (symbol const *s, FILE *f);
 
 /** Is this a dummy nonterminal?  */
 bool symbol_is_dummy (const symbol *sym);