Update runtime files.
diff --git a/runtime/menu.vim b/runtime/menu.vim
index 5c5bb97..15697b3 100644
--- a/runtime/menu.vim
+++ b/runtime/menu.vim
@@ -188,7 +188,7 @@
 fun! s:EditVimrc()
   if $MYVIMRC != ''
     let fname = $MYVIMRC
-  elseif has("win32") || has("dos32") || has("dos16") || has("os2")
+  elseif has("win32")
     if $HOME != ''
       let fname = $HOME . "/_vimrc"
     else
@@ -566,7 +566,7 @@
 func! s:XxdFind()
   if !exists("g:xxdprogram")
     " On the PC xxd may not be in the path but in the install directory
-    if (has("win32") || has("dos32")) && !executable("xxd")
+    if has("win32") && !executable("xxd")
       let g:xxdprogram = $VIMRUNTIME . (&shellslash ? '/' : '\') . "xxd.exe"
     else
       let g:xxdprogram = "xxd"