Pullup ticket #3697 - requested by tron

Pullup ticket #3697 - requested by tron
mk/plist: fix for handling of man pages

Revisions pulled up:
- mk/plist/plist.mk                                             1.41

-------------------------------------------------------------------
   Module Name:	pkgsrc
   Committed By:	tron
   Date:		Sun Mar  4 08:03:56 UTC 2012

   Modified Files:
   	pkgsrc/mk/plist: plist.mk

   Log Message:
   Don't strip out "cat" manual pages if the package gets built via "imake".
   The settings in "MANINSTALL" don't apply here.

   To generate a diff of this commit:
   cvs rdiff -u -r1.40 -r1.41 pkgsrc/mk/plist/plist.mk