Deal with missing bins, too.

This could be way more DRY. At least there's a YARD-ish comment.

This fixes up https://github.com/rapid7/metasploit-framework/pull/2465
to be a more complete solution.

[SeeRM #8465]
Litter some more rescue nil's in there

I hate them but they were there when I got there.

A more sane way to deal with this should happen someday.
Merge pull request #1 from todb-r7/land-2465

Fix up PR #2465