polarssl: add mising string include

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

diff --git a/ustream-polarssl.c b/ustream-polarssl.c
index 615ac2d88bff5ce09b5dbe00eb6815ed949dfc42..d334f15643970263a6bc79738871f18dc1df774a 100644 (file)
--- a/ustream-polarssl.c
+++ b/ustream-polarssl.c
@@ -20,6 +20,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "ustream-ssl.h"
 #include "ustream-internal.h"