vim: Import v9.1.1975

* 9.1.1975: blob2str() may call STRNCPY() with a NULL pointer
* 9.1.1974: tests: missing cleanup in Test_bwipe_during_save()
* 9.1.1973: some minor problems with clipboard provider code

Author: github-actions[bot]

gitlog.txt

@@ -1 +1 @@
-* [9.1.1972](https://github.com/vim/vim/commit/fcd3958dcb62011e865204f9c82da648f3635eae): No way to access the clipboard without X11/Wayland\n* [9.1.1971](https://github.com/vim/vim/commit/98a0cbf05bd45fa6c4ede7b791fd21760bc587c8): crash with invalid positional argument 0 in printf()\n* [9.1.1971](https://github.com/vim/vim/commit/fe1c57cd2caa7de2ce23557646d6c62a9a1b4f92): Crash when buffer gets deleted inside charconvert during save\n* [9.1.1970](https://github.com/vim/vim/commit/fa3bdc2501faeae7f3211fc8559ded43e27b864c): visual end column returns wrong value after block edit\n* [runtime(doc): Rename NoDefaultCurrentDirectoryInExePath tag](https://github.com/vim/vim/commit/bfb9f5c40ea5dd07fc0747c5ffd44d5b32dbcf62)\n* [9.1.1969](https://github.com/vim/vim/commit/50325c3d591806c57b04512dc103214acd0f2f18): Wrong cursor position after formatting with long 'formatprg'\n* [9.1.1968](https://github.com/vim/vim/commit/44d480e0c3da6b83aaa289b70ecfd595ced9934b): tests: test\_python3.vim leaves swapfiles behind\n* [9.1.1967](https://github.com/vim/vim/commit/a52b11d05757ee9c056a7f1118e6f7d3c2da9d44): if\_python: 64bit numbers truncated
+* [9.1.1975](https://github.com/vim/vim/commit/3d06113c8c9628a478b0cf6c85248ff6ec5fac3a): blob2str() may call STRNCPY() with a NULL pointer\n* [9.1.1974](https://github.com/vim/vim/commit/353103e59afddbfae8432e715217b809e8e15998): tests: missing cleanup in Test\_bwipe\_during\_save()\n* [9.1.1973](https://github.com/vim/vim/commit/131d878aaa0d20efd3f2863633ba7cb5965b7233): some minor problems with clipboard provider code