vim: Import v8.2.4050

* 8.2.4050: Vim9: need to prefix every item in an autoload script
* 8.2.4049: Vim9: reading before the start of the line with "$"
* 8.2.4048: gcc complains about use of "%p" in printf
* 8.2.4047: depending on the build features error messages are unused
* Update runtime files

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [Update runtime files](https://github.com/vim/vim/commit/2f0936cb9a2eb026acac03e6a8fd0b2a5d97508b)\n* [8.2.4046](https://github.com/vim/vim/commit/b2810f123cbf4b585f8bc5f0e594a6690d95729a): some error messages not in the right place\n* [8.2.4045](https://github.com/vim/vim/commit/782b43d89473dac00e3a8e02224a8330b88dbfef): some global functions are only used in one file\n* [8.2.4044](https://github.com/vim/vim/commit/7c24dfddc28776eeff7464982ae5b94e187b6135): Vim9: no error when importing the same script twice\n* [8.2.4043](https://github.com/vim/vim/commit/04935fb17e5f0f66b82cf4546b9752d3d1fa650e): using int for second argument of ga\_init2()\n* [8.2.4042](https://github.com/vim/vim/commit/143367256836b0f69881dc0c65ff165ae091dbc5): Vim9: build error\n* [8.2.4041](https://github.com/vim/vim/commit/aa9b3cacd52a6c34591bbd89fb6b06d4c097fe03): using unitialized pointer\n* [8.2.4040](https://github.com/vim/vim/commit/9f1a39a5d1cd7989ada2d1cb32f97d84360e050f): keeping track of allocated lines is too complicated\n* [8.2.4039](https://github.com/vim/vim/commit/67ffb417861a90fd2c1b215a42fd230272ed94cb): the xdiff library is linked in even when not used\n* [8.2.4038](https://github.com/vim/vim/commit/748b308eebe8d8860888eb27da08333f175d547d): various code not used when features are disabled\n* [8.2.4037](https://github.com/vim/vim/commit/370791465e745354d66696de8cbd15504cf958c0): Insert mode completion is insufficiently tested
+* [8.2.4050](https://github.com/vim/vim/commit/dc4451df61a6aa12a0661817b7094fb32f09e11d): Vim9: need to prefix every item in an autoload script\n* [8.2.4049](https://github.com/vim/vim/commit/5f25c3855071bd7e26255c68bf458b1b5cf92f39): Vim9: reading before the start of the line with "$"\n* [8.2.4048](https://github.com/vim/vim/commit/c14f667626ba677a767d474324306e39096dc43e): gcc complains about use of "%p" in printf\n* [8.2.4047](https://github.com/vim/vim/commit/f85a424c832777892c4efaff163c2fa710ce8d91): depending on the build features error messages are unused\n* [Update runtime files](https://github.com/vim/vim/commit/2f0936cb9a2eb026acac03e6a8fd0b2a5d97508b)