driver: fix GetNameOwner() writer
Fix incorrect use of c_dvar_write() in GetNameOwner() (we really need
some compiler plugin to check format strings...).
@@ -939,7 +939,7 @@ static int driver_method_get_name_owner(Peer *peer, CDVar *in_v, CDVar *out_v, N
c_dvar_write(out_v, "(");
if (strcmp(name_str, "org.freedesktop.DBus") == 0) {
- c_dvar_write(out_v, "org.freedesktop.DBus");
+ c_dvar_write(out_v, "s", "org.freedesktop.DBus");
} else {
Peer *owner;
