MFH: r418357

print/harfbuzz: update to 1.2.7

Changes: https://github.com/behdad/harfbuzz/compare/1.2.3...1.2.7
ABI: http://abi-laboratory.pro/tracker/timeline/harfbuzz/
PR: 208792
Approved by: maintainer timeout (3 months)
Approved by: ports-secteam (junovitch)