[NET] net/core/utils: fix sparse warning

net_msg_warn is not defined because it is in net/sock.h which isn't
included.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/core/utils.c b/net/core/utils.c
index 2030bb8c2d30..0bf17da40d52 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -25,6 +25,7 @@
 #include <linux/random.h>
 #include <linux/percpu.h>
 #include <linux/init.h>
+#include <net/sock.h>
 
 #include <asm/byteorder.h>
 #include <asm/system.h>