MFH: r492468

sysutils/lr: Update to 1.4.1

• Clean up Makefile a bit while here

Changes: https://github.com/chneukirchen/lr/blob/v1.4.1/NEWS.md
Changes: https://github.com/chneukirchen/lr/compare/v1.4...v1.4.1

Approved by: ports-secteam blanket