Log Message:
Update textproc/source-highlight to version 3.1.7

Upstream changes:
=================

Version 3.1.7

   * fixed compilation bugs in MacOsX systems (thanks to
     Trevor Spiteri)
   * language definition for Lilypond (thanks to Federico Bruni)
   * language definition for R statistics programming language
   * language definition for ISLISP (thanks to Christian Jullien)
   * improved Erlang definition file (thanks to Erik Søe Sørensen)
   * new output format: ESC 256 ascii code (thanks to
     Xavier-Emmanuel Vincent).

Version 3.1.6

   * language definition file for T/Foswiki TML markup (thanks to
     Paul W. Harvey)
   * new output format: ODF (e.g. for LibreOffice or to generate ODF
     color-highlighted snippets to be used by ODF back-ends,
     like asciidoc-odf).  Thanks to Dag Wieers.
   * new output format: MediaWiki thanks to Abe Skolnik

Version 3.1.5

   * boost m4 macro finds boost in lib64
   * boost m4 macro files are not installed
   * updated php lang definition with new php 5 keywords
   * language definition for Scheme (thanks to Orlando Hill)
   * language definition for Po files (thanks to Mikel Olasagasti)
   * language definition for Opa (thanks to Valentin Gatien-Baron)
   * language definition for Javalog (thanks to Mark Silberbauer)
   * language definition for UPC (thanks to Viraj Sinha)
   * fixed a bug in scala.lang dealing with keywords
   * updated sql.lang (thanks to Xavier-Emmanuel Vincent)
   * Emacs lisp files highlighted as Lisp (thanks to Xavier-Emmanuel Vincent)
   * improved logtalk.lang (thanks to Paulo Moura)
   * embed inputlang in the output file (thanks to Masatake Yamato)
   * highlight _ in variable declarations (thanks to Masatake Yamato)
   * correctly highlight for less when filenames contain spaces