Merge pull request #800 from kazukazuinaina/update_gui_jax

[update] gui.{txt,jax}

Author: h-east

doc/gui.jax

@@ -99,6 +99,7 @@ GUIウィンドウを開いた直後にいくつかのコマンドを実行し
 			    または $VIM/_gvimrc
 	Amiga		    s:.gvimrc、home:.gvimrc、home:vimfiles:gvimrc
 			    または $VIM/.gvimrc
+	Haiku		    $HOME/config/settings/vim/gvimrc
 
 個人的な初期化ファイルは上記の順に検索され、最初に見つかったものだけが読み込ま
 れる。

en/gui.txt

@@ -99,6 +99,7 @@ Recommended place for your personal GUI initializations:
 			    or $VIM/_gvimrc
 	Amiga		    s:.gvimrc, home:.gvimrc, home:vimfiles:gvimrc
 			    or $VIM/.gvimrc
+	Haiku	            $HOME/config/settings/vim/gvimrc
 
 The personal initialization files are searched in the order specified above
 and only the first one that is found is read.