fix birthday parse: treat empty input as 0, update hashes

RELEASE_NOTES_v1.1.1.md

@@ -14,5 +14,5 @@
 
 | File | SHA-256 |
 |---|---|
-| `SilentDragonXLite` (Linux) | `ce3993107dad6207a260b46026a36cf990ca30262c1db1c0e56ad03464622241` |
-| `SilentDragonXLite.exe` (Windows) | `4dabe9e3596ba5a1b11b5ff302ed7c67c9be3eb17f456f607a68015684897b5e` |
+| `SilentDragonXLite` (Linux) | `dcf06258be02d77bd3bcfa34414f68d99f619d88668029e7c84697159fbe5010` |
+| `SilentDragonXLite.exe` (Windows) | `5faba5338cc88d05883e8b1b0ce8486db3f08607a6cd57826b361c2863e36617` |

src/mainwindow.cpp

@@ -193,7 +193,12 @@ MainWindow::MainWindow(QWidget *parent) :
     // 2. Validate birthday
     QString birthday_str =  restoreSeed.birthday->toPlainText().trimmed();
     bool ok;
-    qint64 birthday = birthday_str.toUInt(&ok);
+    qint64 birthday = 0;
+    if (birthday_str.isEmpty()) {
+        ok = true;
+    } else {
+        birthday = birthday_str.toUInt(&ok);
+    }
     if (!ok) {
         QMessageBox::warning(this, tr("Failed to parse wallet birthday"), 
             tr("Couldn't understand wallet birthday. This should be a block height from where to rescan the wallet. You can leave it as '0' if you don't know what it should be."),