Merge mysql.com:/M51/unittest-5.1 into mysql.com:/M51/clone-5.1

unittest/examples/no_plan.t.c

 
+#include "my_config.h"
+
 #include <stdlib.h>
 #include <tap.h>
 

unittest/examples/skip_all.t.c

 
+#include "my_config.h"
+
 #include <stdlib.h>
 #include <tap.h>
 

unittest/examples/todo.t.c

 
+#include "my_config.h"
+
 #include <stdlib.h>
 #include <tap.h>
 

unittest/mytap/t/basic.t.c

 
+#include "my_config.h"
+
 #include <stdlib.h>
 #include <tap.h>