vim: Import v8.0.0494

* 8.0.0494: build failure with older compiler on MS-Windows
* 8.0.0493: crash with cd command with very long argument
* 8.0.0492: a failing client-server request can make Vim hang
* 8.0.0491: quotestar test fails when features are missing
* 8.0.0490: vertical split makes 'winfixwidth' window smaller
* 8.0.0489: clipboard and "* register is not tested
* 8.0.0488: running tests leaves an "xxx" file behind
* 8.0.0487: the autocmd test hangs on MS-Windows
* 8.0.0486: crash and endless loop when closing windows in autocmd
* 8.0.0485: not all windows commands are tested
* 8.0.0484: :lhelpgrep does not fail after a successful one

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.0.0483](https://github.com/vim/vim/releases/tag/v8.0.0483): illegal memory access when using :all\n* [8.0.0482](https://github.com/vim/vim/releases/tag/v8.0.0482): the setbufvar() function may mess up the window layout\n* [8.0.0481](https://github.com/vim/vim/releases/tag/v8.0.0481): unnecessary if statement\n* [8.0.0480](https://github.com/vim/vim/releases/tag/v8.0.0480): the remote_peek() test fails on MS-Windows\n* [8.0.0479](https://github.com/vim/vim/releases/tag/v8.0.0479): remote_peek() is not tested\n* [8.0.0478](https://github.com/vim/vim/releases/tag/v8.0.0478): tests use assert_true(0) and assert_false(1) to report errors\n* [8.0.0477](https://github.com/vim/vim/releases/tag/v8.0.0477): the client-server test may hang when failing\n* [8.0.0476](https://github.com/vim/vim/releases/tag/v8.0.0476): missing change to main.c\n* [8.0.0475](https://github.com/vim/vim/releases/tag/v8.0.0475): not enough testing for the client-server feature\n* [8.0.0474](https://github.com/vim/vim/releases/tag/v8.0.0474): the client-server feature is not tested
+* [8.0.0494](https://github.com/vim/vim/releases/tag/v8.0.0494): build failure with older compiler on MS-Windows\n* [8.0.0493](https://github.com/vim/vim/releases/tag/v8.0.0493): crash with cd command with very long argument\n* [8.0.0492](https://github.com/vim/vim/releases/tag/v8.0.0492): a failing client-server request can make Vim hang\n* [8.0.0491](https://github.com/vim/vim/releases/tag/v8.0.0491): quotestar test fails when features are missing\n* [8.0.0490](https://github.com/vim/vim/releases/tag/v8.0.0490): vertical split makes 'winfixwidth' window smaller\n* [8.0.0489](https://github.com/vim/vim/releases/tag/v8.0.0489): clipboard and "* register is not tested\n* [8.0.0488](https://github.com/vim/vim/releases/tag/v8.0.0488): running tests leaves an "xxx" file behind\n* [8.0.0487](https://github.com/vim/vim/releases/tag/v8.0.0487): the autocmd test hangs on MS-Windows\n* [8.0.0486](https://github.com/vim/vim/releases/tag/v8.0.0486): crash and endless loop when closing windows in autocmd\n* [8.0.0485](https://github.com/vim/vim/releases/tag/v8.0.0485): not all windows commands are tested\n* [8.0.0484](https://github.com/vim/vim/releases/tag/v8.0.0484): :lhelpgrep does not fail after a successful one