build/win: fix warnings

  ../src/nvim/os/fs.c: In function 'os_can_exe':
  ../src/nvim/os/fs.c:247:27: warning: passing argument 1 of 'is_executable_ext' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
    247 |     if (is_executable_ext(name, abspath)) {
        |                           ^~~~
  In file included from ../src/nvim/os/fs.c:36:
  src/nvim/auto/os/fs.c.generated.h:7:38: note: expected 'char *' but argument is of type 'const char *'
      7 | static _Bool is_executable_ext(char *name, char **abspath) FUNC_ATTR_NONNULL_ARG(1);
        |                                ~~~~~~^~~~
  ../src/nvim/os/fs.c: In function 'os_resolve_shortcut':
  ../src/nvim/os/fs.c:1183:56: warning: conversion from 'size_t' {aka 'const long long unsigned int'} to 'int' may change value [-Wconversion]
   1183 |     const int conversion_result = utf8_to_utf16(fname, len, &p);
        |                                                        ^~~
  ../src/nvim/os/fs.c:1211:19: warning: declaration of 'conversion_result' shadows a previous local [-Wshadow]
   1211 |         const int conversion_result = utf16_to_utf8(wsz, -1, &rfname);
        |                   ^~~~~~~~~~~~~~~~~
  ../src/nvim/os/fs.c:1183:15: note: shadowed declaration is here
   1183 |     const int conversion_result = utf8_to_utf16(fname, len, &p);
        |               ^~~~~~~~~~~~~~~~~

0 files changed, 0 insertions, 0 deletions