networkd: json: Include string.h

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/networkd/json.h b/src/networkd/json.h
index 33e237aa133a5ac5ec53c25901d9e511eff8de6d..19ced9adf81ce542913242934918de2b43d94264 100644 (file)
--- a/src/networkd/json.h
+++ b/src/networkd/json.h
@@ -22,6 +22,7 @@
 #define NETWORKD_JSON_H
 
 #include <errno.h>
+#include <string.h>
 
 #include <json.h>