On Darwin, support osxfuse, and drop support for macfuse.

No change for !=Darwin.
This fixes at least some fuse-using packages.

(Proposed on tech-pkg on April 6, no objections received.)
Revert commit wrongly on branch.
Pullup ticket #4392 - requested by obache
multimedia/adobe-flash-plugin11: security update

Revisions pulled up:
- multimedia/adobe-flash-plugin11/Makefile                      1.28
- multimedia/adobe-flash-plugin11/distinfo                      1.26

---
   Module Name:	pkgsrc
   Committed By:	obache
   Date:		Wed Apr 30 01:33:41 UTC 2014

   Modified Files:
   	pkgsrc/multimedia/adobe-flash-plugin11: Makefile distinfo

   Log Message:
   Update adobe-flash-plugin11 to 11.2.202.356 for APSB14-13.
Pullup ticket #4392.