[Xastir] Missing dependency for gpx2shape

[Eric Christensen]

Running Debian 8.3 and can't seem to figure out what I need to install
to make this script work:

$ perl /usr/local/share/xastir/scripts/gpx2shape TdC_100.gpx
Can't locate Geo/Shapelib.pm in @INC (you may need to install the
Geo::Shapelib module) (@INC contains: /etc/perl
/usr/local/lib/x86_64-linux-gnu/perl/5.20.2 /usr/local/share/perl/5.20.2
/usr/lib/x86_64-linux-gnu/perl5/5.20 /usr/share/perl5
/usr/lib/x86_64-linux-gnu/perl/5.20 /usr/share/perl/5.20
/usr/local/lib/site_perl .) at /usr/local/share/xastir/scripts/gpx2shape
line 28.


BEGIN failed--compilation aborted at
/usr/local/share/xastir/scripts/gpx2shape line 28.

I don't see any perl package for Shapelib (or similar).

73,
Eric