タブバーの幅が変にならないように

git-svn-id: http://www.cozmixng.org/repos/piro/treestyletab/trunk@7195 599a83e7-65a4-db11-8015-0010dcdd6dc2

content/treestyletab/treestyletabbrowser_autoHide.js

@@ -1030,6 +1030,7 @@ TreeStyleTabBrowserAutoHide.prototype = {
 			case 'TreeStyleTabTabbarPositionChanged':
 				if (this.enabled)
 					window.setTimeout(function(aSelf) {
+						aSelf.show();
 						aSelf.hide();
 					}, 0, this);
 				this.updateTransparency();