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/server/trace.c b/server/trace.c
index b577e71..d957856 100644
--- a/server/trace.c
+++ b/server/trace.c
@@ -19,6 +19,7 @@
  */
 
 #include "config.h"
+#include "wine/port.h"
 
 #include <ctype.h>
 #include <stdio.h>