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)
MAPREDUCE-6122. Fix CHANGES.txt.

(cherry picked from commit 2f0166db560b180e8d07c10ba9ad4bfaf2aa7b36)