games/doom-freedoom: Update to 0.11.3
pkubaj@anongoth.pl takes maintainership.
Port changes:
- Changed to DISTVERSION
- Added LICENSE/LICENSE_FILE
- Fixed %%DATADIR%% in PLIST_FILES
PR: 226340
Submitted by: Piotr Kubaj <pkubaj@anongoth.pl>
Approved by: tcberner (mentor, implicit)