cmd.exe: Support cd .. when saving current directory.
[wine] / dlls / d3dx9_30 /
drwxr-xr-x   ..
-rw-r--r-- 259 Makefile.in
-rw-r--r-- 30856 d3dx9_30.spec
-rw-r--r-- 1455 d3dx9_30_main.c