bug#31764: 26.1; Point in VC change log is not centered as documented

[Carlos Pita]

The documentation states [1]:

  Point is centered at the revision of the file currently being
  visited. With a prefix argument, the command prompts for the revision to
  center on, and the maximum number of revisions to display.

But I get a log which is sorted from most recent to oldest revision with
the point positioned at the end. This is not only different from the
documented behavior but also very inconvenient since the initial
revision is probably the least interesting one.

I'm testing this in a simple git repository with a few revisions of
one file.

[1] 
https://www.gnu.org/software/emacs/draft/manual/html_node/emacs/VC-Change-Log.html#VC-Change-Log

---


In GNU Emacs 26.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30)
 of 2018-05-29 built on juergen
Windowing system distributor 'The X.Org Foundation', version 11.0.11906000
System Description:     Manjaro Linux

Recent messages:
previous-line: Beginning of buffer [19 times]
Checking out /tmp/repo/x.txt.~c952114056dcaf2a9f3819efca2bcb6d7a9e216f~...done
C-c C-c is undefined
Mark set
Press C-c C-c when you are done editing.
Enter a change comment.  Type C-c C-c when done
Checking in /tmp/repo/x.txt...done
Mark set
Quit [3 times]
funcall-interactively: End of buffer

Configured using:
 'configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib
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 'CFLAGS=-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong
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 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now'

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Major mode: Git-Log-View

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Load-path shadows:
None found.

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Memory information:
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