[macro] The subst macro did not have a default for the replacement, which made it hard to replace it with an empty string.
[macro] The subst macro did not have a default for the replacement, which made it hard to replace it with an empty string.

Default arg for replace is now empty string

Signed-off-by: Peter Kriens <016a769244db65ccbb64c8b271e9b7b28d4a3ce8@aqute.biz>

psoreide/bnd,mcculls/bnd,joansmith/bnd,joansmith/bnd,lostiniceland/bnd,magnet/bnd,xtracoder/bnd,mcculls/bnd,GEBIT/bnd,xtracoder/bnd,magnet/bnd,mcculls/bnd,lostiniceland/bnd,lostiniceland/bnd,magnet/bnd,GEBIT/bnd,psoreide/bnd,psoreide/bnd