Better support for configure detection of missing types, added check
for ssize_t.
Removed a couple of no longer used portability functions.
Various portability fixes in port.h.

diff --git a/debugger/memory.c b/debugger/memory.c
index f8bcf74..fc2f990 100644
--- a/debugger/memory.c
+++ b/debugger/memory.c
@@ -21,6 +21,8 @@
  */
 
 #include "config.h"
+#include "wine/port.h"
+
 #include <stdlib.h>
 #include <string.h>