tests/test-diff-copy-depth.out

store: don't create dirs ending in period or space for hashed paths (issue1417)

Windows won't create directories with names ending in period or space, so
we replace the last period/space character in truncated directory names of
hashed paths with some other character (underbar).

-- With aaa
Status:
A somename
  other-file

Diff:
diff --git a/other-file b/somename
copy from other-file
copy to somename

-- With zzz
Status:
A somename
  other-file

Diff:
diff --git a/other-file b/somename
copy from other-file
copy to somename