use ptrdiff_t if available, otherwise keep compat with released Guile
authorAndy Wingo <wingo@pobox.com>
Mon, 11 Feb 2013 08:47:04 +0000 (09:47 +0100)
committerAndy Wingo <wingo@pobox.com>
Mon, 11 Feb 2013 08:47:04 +0000 (09:47 +0100)
commit92eab582c3950546d3f3794113e03bb3dd781ff5
tree9cacce2faa66520b88c29e9c896f5d8c4c03c11c
parent81cf639efa84a71094c7cc5b286b0b5b358e1d33
use ptrdiff_t if available, otherwise keep compat with released Guile

* figl/gl/types.scm (%ptr): Back-compatible definitions for Guile <
  2.0.8.
figl/gl/types.scm