Two fixes in drop-node-on-noodle:
authorTon Roosendaal <ton@blender.org>
Fri, 22 Jul 2011 16:39:06 +0000 (16:39 +0000)
committerTon Roosendaal <ton@blender.org>
Fri, 22 Jul 2011 16:39:06 +0000 (16:39 +0000)
- Intersection code was using undefined vector
  caused wrong lines to be picked
- Code now also copes with hidden sockets.
  If all fails, is just unhides a good socket.


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