scrooloose/syntastic — pull request #325 by rbrown (2012-08-23 14:21:26+00:00)
Title: Fix issue #303 FilterLocList

999d3c1b added a filter on the errors list that checks for key/value
valid:1 in each element of the errors list. sh.vim doesn't use
SyntasticMake to check for errors so needs to add {valid:1} to each
result.