--- ./lib/inet6_sr.c 2017-02-21 23:54:32.000000000 +0530 +++ ../inet6_sr.c 2017-04-09 14:07:22.352743997 +0530 @@ -35,6 +35,7 @@ #include "intl.h" #include "net-features.h" #include "util.h" +#include extern struct aftype inet6_aftype;