Merge pull request #7 from freeswitch/deref

Fix dereference of null pointer in site_get_subdir

Author: andywolk

.update

@@ -1 +1 @@
-Thu Jun 18 11:23:10 UTC 2020
+Sun Jun 26 14:53:10 UTC 2020

libsofia-sip-ua/nth/nth_server.c

@@ -844,7 +844,7 @@ void server_request(server_t *srv,
   if (path == NULL)
     path = "";
 
-  if (path[0])
+  if (path[0] && site)
     subsite = site_get_subdir(site, path, &subpath);
 
   if (subsite)