Fix bug I put into the diff --ignore-trailing-cr in line_cmp()
Fix bug I put into the diff --ignore-trailing-cr in line_cmp()

bk: 3e5820c2sr8oktTfqzD-WeffbjEmDQ
bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper