devlink: update include files

Use the tool iwyu to get more complete list of includes for
all the bits used by devlink.

This should also fix build with musl libc.

Fixes: c4dfddccef4e ("fix JSON output of mon command")
Reported-off-by: Dan Robertson <dan@dlrobertson.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
diff --git a/devlink/devlink.c b/devlink/devlink.c
index 507972c..ce2e467 100644
--- a/devlink/devlink.c
+++ b/devlink/devlink.c
@@ -19,18 +19,25 @@
 #include <limits.h>
 #include <errno.h>
 #include <inttypes.h>
+#include <signal.h>
+#include <time.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
 #include <sys/sysinfo.h>
 #define _LINUX_SYSINFO_H /* avoid collision with musl header */
 #include <linux/genetlink.h>
 #include <linux/devlink.h>
+#include <linux/netlink.h>
 #include <libmnl/libmnl.h>
 #include <netinet/ether.h>
+#include <sys/select.h>
+#include <sys/socket.h>
 #include <sys/types.h>
 
 #include "SNAPSHOT.h"
 #include "list.h"
 #include "mnlg.h"
-#include "json_writer.h"
+#include "json_print.h"
 #include "utils.h"
 #include "namespace.h"