misc: pass NULL instead of 0 for pointer in variadic functions

[vpp.git] / src / vnet / session / application.c

diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c
index 7f88c7a..67dc7d6 100644 (file)
--- a/src/vnet/session/application.c
+++ b/src/vnet/session/application.c
@@ -1681,7 +1681,7 @@ application_format_listeners (application_t * app, int verbose)
 
   if (!app)
     {
-      vlib_cli_output (vm, "%U", format_app_worker_listener, 0 /* header */ ,
+      vlib_cli_output (vm, "%U", format_app_worker_listener, NULL /* header */,
                       0, 0, verbose);
       return;
     }