patch: better handling of sequence of offset patch hunks (issue1941) The built-in patch implementation applied the hunks to the wrong lines of the file if the file in the repo has been modified to skew the patch line numbers and the file contains repetitive sequences of lines.

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% directory moved and symlinked

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adding foo/a

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% now addremove should remove old files

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adding bar/a

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adding foo

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removing foo/a