Log Message:
tig: update to 2.5.2.

tig-2.5.2
---------

Incompatibilities:

- Change directory from the next argument, from now use `tig -C /path/to/repo`.

Improvements:

- Jump from blame to commit.
- Start blame of an uncommitted deleted line from HEAD so the line's origin can
  be traced.
- Add line-graphics = auto.
- Allow maxwidth to be expressed in % of the view width.
- Pass stash args through.
- Make build work on IBM i.
- Restore fullscreen navigation.
- Update utf8proc to v2.6.1.
- Add some range so control chars ^^ and ^_ are also supported.
- Disable ncurses extended key values so that esc-codes can be used.
- Use id column for commit id only.
- Some minor updates for scrolling and for a double-click in diff.
- Add scroll-half-page-up and scroll-half-page-down actions.
- Allow to generate a compilation database.
- New command stage-update-part.
- The line number before a diff was applied is exposed as `%(lineno_old)`.

Bug fixes:

- Fix wrapping of lines with multibyte characters.
- Improve highlighting of search with $ regex.
- Update tracking branch when refreshing status view.
- Fix vertical lines in Putty with UTF-8 graphics.
- Fix parsing of three-way chunk headers with extra dashes.
- Update tracking branch when refreshing status view.
- Handle filename with space in diff view.
- The stash view requires a working tree.
- Replace useless strncpy to avoid compilation warning.
- Zsh completion fixes.
- Handle undefined __git_complete.
- Fix help messages for half-page and page up.
- Let `-S`, `-G` and `--grep=` pattern override readline history.
- Fix bash completion issue with worktrees
- Fix parsing of commit line from `git log --left-right` output in pager view.
- Fix %(lineno) computation for hunk postimages that span only one line.
- Align relative-compact dates to the right.
- Fix empty split diff view when navigating quickly in the stash view.
- Avoid depending on wcwidth in test by removing Variation Selector.
- Open the blob view with the cursor correctly positioned.
- Update %(text) when navigating diff contents.