some env (cnbuild) can't build without explicitly include

errno.h

diff --git a/lustre/utils/lkinit.c b/lustre/utils/lkinit.c
index 78e8e3a..2e49b06 100644 (file)
--- a/lustre/utils/lkinit.c
+++ b/lustre/utils/lkinit.c
@@ -22,6 +22,7 @@
 
 #include <linux/unistd.h>
 #include <unistd.h>
+#include <errno.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>