fix gcc 5.4 warnings

Jan Willamowius

2019-04-22 ee2a290abf16f4fd4736c2f4e17e9cff87f50447

 src/library/os/network_id.c

@@ -96,7 +96,7 @@
         strncpy(&ifnames[if_num * NI_MAXHOST], ifa->ifa_name, NI_MAXHOST);
         if (adapterInfos != NULL && if_num < *adapter_info_size) {
            strncpy(adapterInfos[if_num].description, ifa->ifa_name,
            NI_MAXHOST);
            NI_MAXHOST-1);
         }
         if_name_position = if_num;
         if_num++;