hpcc-systems/HPCC-Platform — pull request #1424 by jakesmith (2012-02-02 14:10:40+00:00)
Title: Fix possible deadlock regression in splitter

canStall was being set too late, if an puller asked early, before
splitter was started, canStall was left unset, causing it to use
an non-spilling variety of lookahead further up the chain

Signed-off-by: Jake Smith