vim: Import v8.1.0854

* 8.1.0854: xxd does not work with more than 32 bit addresses
* 8.1.0853: options test fails on Mac
* 8.1.0852: findfile() and finddir() are not properly tested
* 8.1.0851: feedkeys() with "L" does not work properly
* 8.1.0850: test for 'backupskip' is not correct
* 8.1.0849: cursorline highlight is not always updated
* 8.1.0848: cannot build with Ruby 1.8

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.1.0847](https://github.com/vim/vim/releases/tag/v8.1.0847): may use terminal after it was cleaned up\n* [8.1.0846](https://github.com/vim/vim/releases/tag/v8.1.0846): not easy to recognize the system Vim runs on\n* [8.1.0845](https://github.com/vim/vim/releases/tag/v8.1.0845): having job_status() free the job causes problems\n* [8.1.0844](https://github.com/vim/vim/releases/tag/v8.1.0844): when timer fails test will hang forever\n* [8.1.0843](https://github.com/vim/vim/releases/tag/v8.1.0843): memory leak when running "make test_cd"
+* [8.1.0854](https://github.com/vim/vim/releases/tag/v8.1.0854): xxd does not work with more than 32 bit addresses\n* [8.1.0853](https://github.com/vim/vim/releases/tag/v8.1.0853): options test fails on Mac\n* [8.1.0852](https://github.com/vim/vim/releases/tag/v8.1.0852): findfile() and finddir() are not properly tested\n* [8.1.0851](https://github.com/vim/vim/releases/tag/v8.1.0851): feedkeys() with "L" does not work properly\n* [8.1.0850](https://github.com/vim/vim/releases/tag/v8.1.0850): test for 'backupskip' is not correct\n* [8.1.0849](https://github.com/vim/vim/releases/tag/v8.1.0849): cursorline highlight is not always updated\n* [8.1.0848](https://github.com/vim/vim/releases/tag/v8.1.0848): cannot build with Ruby 1.8