Log Message:
fonts/ruby-ttfunk: update to 1.6.2.1

Update to ruby-ttfunk to 1.6.2.1.

## [1.6.2.1]

### Fixed

* 1.6.2 gem conains local debuging code. This is the same commit but without
  local changes.

  Alexander Mankuta

## [1.6.2]

### Fixed

* Reverted to pre 1.6 maxp table serialization.

  Cameron Dutro