Add missing include headers for compilation on x86 targets.

Change-Id: I99f7b79bfb5b6305a0772f418a54ace50cac1bbe
diff --git a/NetlinkHandler.cpp b/NetlinkHandler.cpp
index 028729a..800c86c 100644
--- a/NetlinkHandler.cpp
+++ b/NetlinkHandler.cpp
@@ -16,6 +16,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <errno.h>
 
 #define LOG_TAG "Netd"