fix sizeof void* macro for x64

win32/platform.h

@@ -29,6 +29,12 @@ extern "C"
 typedef unsigned short mode_t;
 #endif
 
+#ifdef _WIN64
+#define SIZEOF_VOID_P 8
+#else
+#define SIZEOF_VOID_P 4
+#endif
+
 #define strcasecmp lstrcmpi
 #define strncasecmp strnicmp
 #define mkdir(path, mode) mkdir(path)

win32/update-win32.pl

@@ -174,7 +174,7 @@ my %CONF = (
     'SIZEOF_LONG' => '4',
     'SIZEOF_LONG_LONG' => '8',
     'SIZEOF_SHORT' => '2',
-    'SIZEOF_VOID_P' => '4',
+    'SIZEOF_VOID_P' => -1,
     'STDC_HEADERS' => '1',
     'SUPPORT_IPv6' => -1,
     'USE_MPOOL' => 1,