--- libmysql/libmysql.c.old	2009-11-19 14:26:39.542270424 -0500
+++ libmysql/libmysql.c	2009-11-19 14:28:47.422256556 -0500
@@ -2285,7 +2285,7 @@ mysql_stmt_param_metadata(MYSQL_STMT *st
 
 /* Store type of parameter in network buffer. */
 
-static void store_param_type(char **pos, MYSQL_BIND *param)
+static void store_param_type(uchar **pos, MYSQL_BIND *param)
 {
   uint typecode= param->buffer_type | (param->is_unsigned ? 32768 : 0);
   int2store(*pos, typecode);