VMM patch to help with cross-platform plugin generation

Hi Tim,

VMM supports generating sources for target platforms other than
the one it's running on, but the plugins have no way to tell
VMM if they should be translated in that case.

Trivial enhancement attached.

Dave

Tim, I think your mail relay is constipated.

Dave

   ----- Transcript of session follows -----
procmail: Extraneous filter-flag ignored
... while talking to mx1c0soho.megamailservers.com.:
>>> DATA
<<< 550 5.7.1 <[hidden email]>... Relaying denied: You must check for new mail before sending
+mail.
550 5.1.1 <[hidden email]>... User unknown
<<< 503 5.0.0 Need RCPT (recipient)