Forgot to tell GC that ports are now pair-like.
authorTim Vaughan <tgvaughan@gmail.com>
Sun, 23 Apr 2017 11:00:06 +0000 (23:00 +1200)
committerTim Vaughan <tgvaughan@gmail.com>
Sun, 23 Apr 2017 11:00:06 +0000 (23:00 +1200)
commitf982d9a741201927d246f9ece3456f331668a4ae
treeea9e611ad4777e353ee3b434d7a80ea99a6c338e
parent5c256a740ae9bf1f774e202cbdaf66d8e33f37e7
Forgot to tell GC that ports are now pair-like.

Impotant, because otherwise their contents aren't marked
by the mark/sweep algorithm and wind up getting clobbered.
src/scheme.4th