Add missing header file to squash a warning

diff --git a/coreutils/watch.c b/coreutils/watch.c
index a4b1f64b60d563fc14a706d5dd5acaed3170a912..c275f3bb3cf6f931f77a566f1f054983ba0504ea 100644 (file)
--- a/coreutils/watch.c
+++ b/coreutils/watch.c
@@ -27,6 +27,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/wait.h>
 #include "busybox.h"
 
 extern int watch_main(int argc, char **argv)