fix to make client.c compile on windows

include/sql_common.h

@@ -38,6 +38,7 @@ cli_advanced_command(MYSQL *mysql, enum enum_server_command command,
 
 void set_stmt_errmsg(MYSQL_STMT * stmt, const char *err, int errcode,
 		     const char *sqlstate);
+void set_mysql_error(MYSQL *mysql, int errcode, const char *sqlstate);
 #ifdef	__cplusplus
 }
 #endif

libmysql/client_settings.h

@@ -25,7 +25,6 @@ sig_handler pipe_sig_handler(int sig __attribute__((unused)));
 my_bool stmt_close(MYSQL_STMT *stmt, my_bool skip_free);
 void read_user_name(char *name);
 my_bool send_file_to_server(MYSQL *mysql, const char *filename);
-void set_mysql_error(MYSQL *mysql, int errcode, const char *sqlstate);
 
 /*
   Let the user specify that we don't want SIGPIPE;  This doesn't however work