Add helpers include file

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/helpers.c b/helpers.c
index 21b9913..f314ebb 100644
--- a/helpers.c
+++ b/helpers.c
@@ -1,6 +1,8 @@
 #include <malloc.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
 
 #include "compiler/compiler.h"
 
@@ -17,3 +19,8 @@
 {
 	return 0;
 }
+
+int __weak inet_aton(const char *cp, struct in_addr *inp)
+{
+	return 0;
+}