PoorMan: better labelling of button

According to the HIG, button labels should be verbs implying actions.
Replace the "default" button with "create public_html", which is what
will happen if you click it.

Thanks to KapiX for the suggestion.

src/apps/poorman/PoorManWindow.cpp

@@ -548,7 +548,7 @@ PoorManWindow::DefaultSettings()
 	serverAlert->SetFlags(serverAlert->Flags() | B_CLOSE_ON_ESCAPE);
 	BAlert* dirAlert = new BAlert(B_TRANSLATE("Error Dir"),
 		STR_ERR_WEB_DIR, B_TRANSLATE("Cancel"), B_TRANSLATE("Select"),
-		B_TRANSLATE("Default"), B_WIDTH_AS_USUAL, B_OFFSET_SPACING);
+		B_TRANSLATE("Create public_html"), B_WIDTH_AS_USUAL, B_OFFSET_SPACING);
 	dirAlert->SetShortcut(0, B_ESCAPE);
 	int32 buttonIndex = dirAlert->Go();