Some fixes to avoid compiler warnings.

mysql-test/my_manage.c

@@ -230,7 +230,10 @@ int wait_for_server_start(char *bin_dir __attribute__((unused)),
                           char *user, char *password, int port,char *tmp_dir)
 {
   arg_list_t al;
-  int err= 0, i;
+  int err= 0;
+#ifndef __WIN__
+  int i;
+#endif
   char trash[FN_REFLEN];
 
   /* mysqladmin file */

mysql-test/mysql_test_run_new.c

@@ -1716,7 +1716,6 @@ int main(int argc, char **argv)
       int* handle;
       char test[FN_LEN];
       char mask[FN_REFLEN];
-      char *p;
       int position;
 
       /* single test */