Log Message:
fonts/fntsample: Update to 5.2.

Changes in version 5.2
- Fix handling of non-ASCII characters in pdfoutline

Changes in version 5.1
- Make writing outlines with Cairo actually work
- Fix typos

Changes in version 5.0
- Add command line flag that allows to use pango for text layout
- Add possiblility to create PDF outline directly using cairo
- Switch to CMake as build system
- Add command line flag for loading Unicode blocks file during runtime.