bug 15430 (init_connect test fails with the embedded server)

mysqltest program should be really multithreaded to perform this
test with the embedded server. So this test disabled until we
redo mysqltest this way

mysql-test/t/init_connect.test

@@ -2,6 +2,8 @@
 # Test of init_connect variable
 #
 
+# should work with embedded server after mysqltest is fixed
+-- source include/not_embedded.inc
 connect (con0,localhost,root,,);
 connection con0;
 select hex(@a);