win32: try to make working directory names consistent

Standardise the path names used for the current working directory by:

- resolving with realpath(3);
- making the drive name or host name uppercase.

The first only really works for physical drives; results for mapped
drives are patchy.

The standardisation is applied in two places:

- at the end of updatepwd() in ash;
- when a symbolic link is resolved in mingw_chdir().

1 files changed, 1 insertions, 0 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 68512799e..6bc1dba24 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -2980,6 +2980,7 @@ updatepwd(const char *dir)
         if (new > lim)
                 STUNPUTC(new);
         *new = 0;
+        fix_path_case((char *)stackblock());
         return stackblock();
 #else
         char *new;