utils.c: add missing include

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

diff --git a/utils.c b/utils.c
index aa4132b..ba26952 100644 (file)
--- a/utils.c
+++ b/utils.c
@@ -17,6 +17,7 @@
 
 #include <arpa/inet.h>
 #include <netinet/in.h>
+#include <sys/socket.h>
 
 #ifdef __APPLE__
 #include <libproc.h>