Be more careful before converting to indexed.

[ginac.git] / ginsh / ginsh.h

diff --git a/ginsh/ginsh.h b/ginsh/ginsh.h
index 36b8308a43eaf90c9eb0996629d840b38c8d768f..92a53b45cfc376db329ad7a47f51f2d148a572a4 100644 (file)
--- a/ginsh/ginsh.h
+++ b/ginsh/ginsh.h
@@ -2,7 +2,7 @@
  *
  *  Global definitions for ginsh.
  *
- *  GiNaC Copyright (C) 1999-2010 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2011 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -56,7 +56,7 @@ using namespace GiNaC;
 #define YYSTYPE ex
 
 // lex functions/variables
-extern int yyerror(char *s);
+extern int yyerror(const char *s);
 extern int yylex(void);
 extern char *yytext;
 extern FILE *yyin;