Include what I use

Thanks to https://github.com/include-what-you-use/include-what-you-use

1 files changed, 1 insertions, 0 deletions

diff --git a/bar.c b/bar.c
index 9cb08d3..e1e2857 100644
--- a/bar.c
+++ b/bar.c
@@ -21,6 +21,7 @@
 #include <fcntl.h>
 #include <limits.h>
 #include <signal.h>
+#include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
 #include <sys/ioctl.h>