vim: Import v9.0.1607

* 9.0.1607: screenpos() returns wrong row with diff filler lines
* 9.0.1606: using freed memory when 'foldcolumn' is set
* 9.0.1605: crash when calling method on super in child constructor
* 9.0.1604: errors from the codestyle test are a bit confusing

gitlog.txt

@@ -1 +1 @@
-* [9.0.1603](https://github.com/vim/vim/commit/3c802277604a6b21110e41bedfe4c937ba7c2b7d): display wrong if scrolling multiple lines with 'smoothscroll'\n* [9.0.1602](https://github.com/vim/vim/commit/ecb87dd7d3f7b9291092a7dd8fae1e59b9903252): stray character visible if marker on top of double-wide char\n* [9.0.1601](https://github.com/vim/vim/commit/664fd12aa27a3c6bd19cfa474c4630d6c03fcc61): filetype detection fails for \*.conf file without comments\n* [9.0.1600](https://github.com/vim/vim/commit/f0e68c0e2a3539f899e737e5b167622fe081fbbd): screenpos() does not take w\_skipcol into account
+* [9.0.1607](https://github.com/vim/vim/commit/55daae392157823dc5434e6be1344f4336bfe96f): screenpos() returns wrong row with diff filler lines\n* [9.0.1606](https://github.com/vim/vim/commit/58e1e010454113a7c8a9b0327c54d2ee7d73d2fd): using freed memory when 'foldcolumn' is set\n* [9.0.1605](https://github.com/vim/vim/commit/114ec813b3a7f70d7a1c86e87226f5273e9d1def): crash when calling method on super in child constructor\n* [9.0.1604](https://github.com/vim/vim/commit/abc8130d6a680026ffb2cc36b74d239e88f775d6): errors from the codestyle test are a bit confusing