Merge mysql.com:/home/hf/work/30638/my50-30638

into  mysql.com:/home/hf/work/30638/my51-30638


include/config-win.h:
  Auto merged

include/config-win.h

@@ -35,6 +35,7 @@ functions */
 #include <io.h>
 #include <malloc.h>
 
+#define BIG_TABLES 1
 #define HAVE_SMEM 1
 
 #if defined(_WIN64) || defined(WIN64)