https://gitlab.synchro.net/main/sbbs/-/commit/b9333a0b4f9be867f964b278
Modified Files:
	src/syncterm/term.c
Log Message:
Another attempt to silence Coverity.

This may be the first time in my life that I've used difftime()...
which is strictly one of only two things you're actually allowed
to do with a time_t per the C standard (the other is convert into
a broken-down time).
--- SBBSecho 3.23-Linux