report unparsable limit as http upload available

src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java

@@ -1827,7 +1827,7 @@ public class XmppConnection implements Runnable {
 								return false;
 							}
 						} catch (Exception e) {
-							//ignored
+							return true;
 						}
 					}
 				}