hostcheck: Curl_cert_hostcheck is not used by NSS builds

lib/hostcheck.c

@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -23,7 +23,7 @@
 #include "curl_setup.h"
 
 #if defined(USE_SSLEAY) || defined(USE_AXTLS) || defined(USE_QSOSSL) || \
-    defined(USE_GSKIT) || defined(USE_NSS)
+    defined(USE_GSKIT)
 /* these backends use functions from this file */
 
 #include "hostcheck.h"