add type casts to fix two warnings

svn path=/trunk/; revision=21137

1 files changed, 2 insertions, 2 deletions

diff --git a/tools/lemon/lemon.c b/tools/lemon/lemon.c
index bb60aea252..94ee6a631d 100644
--- a/tools/lemon/lemon.c
+++ b/tools/lemon/lemon.c
@@ -4317,8 +4317,8 @@ struct symbol *Symbol_new(const char *x)
 ** smallest parser tables in SQLite.
 */
 int Symbolcmpp(const void *a_arg, const void *b_arg){
-  struct symbol *const *a = a_arg;
-  struct symbol *const *b = b_arg;
+  struct symbol *const *a = (struct symbol *const *) a_arg;
+  struct symbol *const *b = (struct symbol *const *) b_arg;
   int i1 = (**a).index + 10000000*((**a).name[0]>'Z');
   int i2 = (**b).index + 10000000*((**b).name[0]>'Z');
   return i1-i2;