patch 9.0.1788: C4090 warnings in strings.c Commit: https://github.com/vim/vim/commit/4c215ecdafbc9a32bca885abc3272be741047291 Author: K.Takata <kentkt@csc.jp> Date: Sat Aug 26 18:05:08 2023 +0200 patch 9.0.1788: C4090 warnings in strings.c Problem: C4090 warnings in strings.c Solution: Add type casts closes: #12917 MSVC shows the following warnings: ``` strings.c(2436): warning C4090: 'function': different 'const' qualifiers strings.c(2774): warning C4090: 'function': different 'const' qualifiers strings.c(3865): warning C4090: 'function': different 'const' qualifiers ``` So add type casts to suppress them. Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Ken .Takata <kentkt@csc.jp>