Changed the Wine internal cdrom interface to the NT model.

diff --git a/files/file.c b/files/file.c
index 06ea389..9cca777 100644
--- a/files/file.c
+++ b/files/file.c
@@ -449,6 +449,11 @@
             ret = FILE_OpenPipe(filename,access);
             goto done;
         }
+        else if (isalpha(filename[4]) && filename[5] == ':' && filename[6] == '\0')
+        {
+            ret = FILE_CreateDevice( (toupper(filename[4]) - 'A') | 0x20000, access, sa );
+            goto done;
+        }
         else if (!DOSFS_GetDevice( filename ))
         {
             ret = DEVICE_Open( filename+4, access, sa );