- Mike Hommey filed and fixed bug report #1889856

(http://curl.haxx.se/bug/view.cgi?id=1889856): When using the gnutls ssl
  layer, cleaning-up and reinitializing curl ends up with https requests
  failing with "ASN1 parser: Element was not found" errors. Obviously a
  regression added in 7.16.3.

lib/gtls.c

@@ -110,8 +110,10 @@ static int _Curl_gtls_init(void)
 
 int Curl_gtls_cleanup(void)
 {
-  if(gtls_inited)
+  if(gtls_inited) {
     gnutls_global_deinit();
+    gtls_inited = FALSE;
+  }
   return 1;
 }