games/trenchbroom: unbreak the build on recent -CURRENT (Clang 13.0.0)

common/src/SharedPointer.h:28:10: fatal error: 'tr1/memory' file
not found
#include <tr1/memory>
         ^~~~~~~~~~~~

While here, register explicit dependency on the `print/freetype2' port
per stage Q/A report.

Reported by: pkg-fallout