nc_server_ch_client_endpt_set_port (#215)

session server BUGFIX invalid return code
diff --git a/src/session_server.c b/src/session_server.c
index e4e987c..38f2819 100644
--- a/src/session_server.c
+++ b/src/session_server.c
@@ -2771,7 +2771,7 @@
     /* UNLOCK */
     nc_server_ch_client_unlock(client);
 
-    return -1;
+    return 0;
 }
 
 API int