[patch #10481] Handle unset $multilib for Windows targets

Update of patch #10481 (group libtool): Status:None => Done Open/Closed:Open => Closed ___ Follow-up Comment #1: Thank you for the p

[patch #10481] Handle unset $multilib for Windows targets

Follow-up Comment #2, patch #10481 (group libtool): Thank you for the fast review! 🙏🚀 ___ Reply to this item at: ___ Message sent via Savannah https://