refactor: replace char_u with char

Work on https://github.com/neovim/neovim/issues/459

2 files changed, 3 insertions, 3 deletions

diff --git a/src/nvim/os/env.c b/src/nvim/os/env.c
index ea9a803a86..274e13e3c6 100644
--- a/src/nvim/os/env.c
+++ b/src/nvim/os/env.c
@@ -553,9 +553,9 @@ char_u *expand_env_save_opt(char_u *src, bool one)
 /// @param src        Input string e.g. "$HOME/vim.hlp"
 /// @param dst[out]   Where to put the result
 /// @param dstlen     Maximum length of the result
-void expand_env(char_u *src, char_u *dst, int dstlen)
+void expand_env(char *src, char *dst, int dstlen)
 {
-  expand_env_esc(src, dst, dstlen, false, false, NULL);
+  expand_env_esc((char_u *)src, (char_u *)dst, dstlen, false, false, NULL);
 }
 
 /// Expand environment variable with path name and escaping.
diff --git a/src/nvim/os/fs.c b/src/nvim/os/fs.c
index 0d62a5f5f9..dc96c39d25 100644
--- a/src/nvim/os/fs.c
+++ b/src/nvim/os/fs.c
@@ -911,7 +911,7 @@ int os_mkdir_recurse(const char *const dir, int32_t mode, char **const failed_di
   // We're done when it's "/" or "c:/".
   const size_t dirlen = strlen(dir);
   char *const curdir = xmemdupz(dir, dirlen);
-  char *const past_head = (char *)get_past_head((char_u *)curdir);
+  char *const past_head = get_past_head(curdir);
   char *e = curdir + dirlen;
   const char *const real_end = e;
   const char past_head_save = *past_head;