vim: Import v9.1.1980

* runtime(fvwm): Update fvwm keywords
* 9.1.1980: filetype: N-Quads files are not recognized
* 9.1.1979: :helpclose allows range and counts
* runtime(doc): Update version9.txt for v9.1.1966
* 9.1.1978: tests: Test_smoothscroll_number() may fail

Author: github-actions[bot]

gitlog.txt

@@ -1 +1 @@
-* [9.1.1977](https://github.com/vim/vim/commit/b5cf53b8b145a20de1b01023fa0f440b677d4c45): MS-Windows: missing dependency on optiondefs.h in Make\_cyg\_ming.mak\n* [9.1.1976](https://github.com/vim/vim/commit/4438b8e071ac4702e6cfd68dcc39149e5e95d298): Cannot define callbacks for redraw events\n* [nsis: add Chinese translation to nsis installer](https://github.com/vim/vim/commit/3a113e04def1822c7511e3deaeeda6156f4785f9)\n* [runtime(doc): Tweak documentation style in eval.txt and options.txt](https://github.com/vim/vim/commit/e9a983326378bda428fc6810f7648fb738dabfe4)\n* [runtime(doc): Remove outdated agide.org link](https://github.com/vim/vim/commit/ef7a577b27117672b04cc2346ef0624068b40402)
+* [runtime(fvwm): Update fvwm keywords](https://github.com/vim/vim/commit/64eeff5784a78e9fa7041df1ccb2fd72516e1858)\n* [9.1.1980](https://github.com/vim/vim/commit/6c027b25f114595a21fcb5031abe366349ad5a9c): filetype: N-Quads files are not recognized\n* [9.1.1979](https://github.com/vim/vim/commit/4c141bae3bd7afd7eb63c72c835d356fbdff61e2): :helpclose allows range and counts\n* [runtime(doc): Update version9.txt for v9.1.1966](https://github.com/vim/vim/commit/a2b45646abb18b9fa5e5648cf111e9da32b220eb)\n* [9.1.1978](https://github.com/vim/vim/commit/5193375b10bee038aa197c44602e1a5cf2dba6bf): tests: Test\_smoothscroll\_number() may fail