Various changes to make this stuff compile under Win32 and VC++ with and

without -debug option to mk1mf.pl. Change _export to is_export (_export is
a reserved word under VC++). Add yucky function prototype function pointer
casts. Sanitise the included files in crypto/x509v3.

Also changed ssleay.exe target to openssl.exe

crypto/x509v3/v3_lib.c

@@ -57,10 +57,9 @@
  */
 /* X509 v3 extension utilities */
 
-#include <stdlib.h>
-#include <pem.h>
-#include <conf.h>
-#include <err.h>
+#include <stdio.h>
+#include "cryptlib.h"
+#include "conf.h"
 #include "x509v3.h"
 
 static STACK *ext_list = NULL;