win32: check: fixed not copying enough bytes in localtime_r

Reported-by: Gisle Vanem
Signed-off-by: goldsimon <goldsimon@gmx.de>

ports/win32/check/time.c

@@ -59,6 +59,6 @@ localtime_r(const time_t *timer, struct tm *result)
    if (local_result == NULL || result == NULL)
      return NULL;
 
-   memcpy(result, local_result, sizeof (result));
+   memcpy(result, local_result, sizeof(*result));
    return result;
 }