pppd-plugin: use g_strlcpy()
It's nicer but also doesn't annoy gcc 8: "error: ‘strncpy’ specified bound depends on the length of the source argument [-Werror=stringop-overflow=]"
It's nicer but also doesn't annoy gcc 8: "error: ‘strncpy’ specified bound depends on the length of the source argument [-Werror=stringop-overflow=]"