Log Message:
fntsample: update to 5.4.

Changes in version 5.4:

* Fixed handling of PDF files with already existing outlines
  in pdfoutline.
* Added a script for extracting outlines from PDF files
  (pdf-extract-outline).
* Pango is always used to draw glyphs, options -p and --use-pango are
  accepted but ignored.
* Fixed possible outline corruption in pdfoutline with some versions
  of PDF::API2 library (Yifeng Li).
* Various code and build system cleanups.