MAPREDUCE-6122. TestLineRecordReader may fail due to test data files checked out of git with incorrect line endings. Contributed by Chris Nauroth.
(cherry picked from commit 684170d5efdc11bcd9967168f44a428d1a72af3c)
(cherry picked from commit 85a2b907407c7719a31c64d3747810263b3ec57d)