vim-patch:8.2.0928: many type casts are used for vim_strnsave()

Problem:    Many type casts are used for vim_strnsave().
Solution:   Make the length argument size_t instead of int. (Ken Takata,
            closes vim/vim#5633)  Remove some type casts.
https://github.com/vim/vim/commit/df44a27b53586fccfc6a3aedc89061fdd9a515ff

N/A patches for version.c:

vim-patch:8.2.0315: build failure on HP-UX system

Problem:    Build failure on HP-UX system.
Solution:   Use LONG_LONG_MIN instead of LLONG_MIN.  Add type casts for switch
            statement. (John Marriott)
https://github.com/vim/vim/commit/c593bec4120f122e8a9129ec461968f1bd214435

vim-patch:8.2.1052: build failure with older compilers

Problem:    Build failure with older compilers.
Solution:   Move declaration to start of block.
https://github.com/vim/vim/commit/7acde51832f383f9a6d2e740cd0420b433ea841a

vim-patch:8.2.2229: build failure without the +eval feature

Problem:    build failure without the +eval feature.
Solution:   Add #ifdef.
https://github.com/vim/vim/commit/39cb2dab18e85fc60f116a4543e433616872b690

vim-patch:8.2.2232: compiler error for falling through into next case

Problem:    Compiler error for falling through into next case.
Solution:   Move FALLTHROUGH below the #endif
https://github.com/vim/vim/commit/9618a25b9c054f0ee4e267d2db96b6e7c113ed7a

1 files changed, 2 insertions, 2 deletions

diff --git a/src/nvim/eval/userfunc.c b/src/nvim/eval/userfunc.c
index 4e8b98d723..70c998ef39 100644
--- a/src/nvim/eval/userfunc.c
+++ b/src/nvim/eval/userfunc.c
@@ -2297,9 +2297,9 @@ void ex_function(exarg_T *eap)
             // Ignore leading white space.
             p = skipwhite(p + 4);
             heredoc_trimmed =
-              vim_strnsave(theline, (int)(skipwhite(theline) - theline));
+              vim_strnsave(theline, skipwhite(theline) - theline);
           }
-          skip_until = vim_strnsave(p, (int)(skiptowhite(p) - p));
+          skip_until = vim_strnsave(p, skiptowhite(p) - p);
           do_concat = false;
           is_heredoc = true;
         }