Fd type is no longer used, get rid of it.

dlls/kernel/file.c

diff --git a/dlls/kernel/file.c b/dlls/kernel/file.c
index fefe715..bf86e58 100644
--- a/dlls/kernel/file.c
+++ b/dlls/kernel/file.c
@@ -866,7 +866,7 @@
         return ret;
     }
 
-    if (!(status = wine_server_handle_to_fd( hFile, 0, &fd, NULL, NULL )))
+    if (!(status = wine_server_handle_to_fd( hFile, 0, &fd, NULL )))
     {
         off_t pos, res;