Fix coding style

If NULL is 0L instead of (void *) 0 then this explicit cast is needed
for va_arg functions.

Thanks to dcoppa@openbsd.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ui.c b/src/ui.c
index eb5e232..1295a33 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -527,7 +527,7 @@ void BarUiStartEventCmd (const BarSettings_t *settings, const char *type,
 		/* child */
 		close (pipeFd[1]);
 		dup2 (pipeFd[0], fileno (stdin));
-		execl (settings->eventCmd, settings->eventCmd, type, NULL);
+		execl (settings->eventCmd, settings->eventCmd, type, (char *) NULL);
 		BarUiMsg (MSG_ERR, "Cannot start eventcmd. (%s)\n", strerror (errno));
 		close (pipeFd[0]);
 		exit (1);