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

[vpp.git] / src / plugins / mactime / mactime_top.c

diff --git a/src/plugins/mactime/mactime_top.c b/src/plugins/mactime/mactime_top.c
index abcb530..d7223f4 100644 (file)
--- a/src/plugins/mactime/mactime_top.c
+++ b/src/plugins/mactime/mactime_top.c
@@ -441,7 +441,7 @@ print_device_table (mt_main_t * mm)
 {
   mactime_device_t *dev;
 
-  fformat (stdout, "%U", format_device, 0 /* header */ , 0 /* verbose */ );
+  fformat (stdout, "%U", format_device, NULL /* header */, 0 /* verbose */);
   /* *INDENT-OFF* */
   pool_foreach (dev, mm->devices)
    {