Bring up, down, top, and bottom icons into XDG compliance

plugin/simplestyle.cpp

@@ -484,7 +484,7 @@ QIcon Qt4TDEStyle::standardIconImplementation(StandardPixmap standardIcon, const
 			retswitch = 3;
 			break;
 		case QStyle::SP_FileDialogToParent:
-			iconLookupName = "up";
+			iconLookupName = "go-up";
 			retswitch = 3;
 			break;
 		case QStyle::SP_FileDialogNewFolder:
@@ -548,11 +548,11 @@ QIcon Qt4TDEStyle::standardIconImplementation(StandardPixmap standardIcon, const
 // 		case QStyle::SP_DialogYesButton:
 // 		case QStyle::SP_DialogNoButton:
 		case QStyle::SP_ArrowUp:
-			iconLookupName = "up";
+			iconLookupName = "go-up";
 			retswitch = 3;
 			break;
 		case QStyle::SP_ArrowDown:
-			iconLookupName = "down";
+			iconLookupName = "go-down";
 			retswitch = 3;
 			break;
 // 		case QStyle::SP_ArrowLeft: