Silence potentially uninitialized warning

Turns out the warning is wrong, but let's initialize anyways

src/widget/form/settings/privacyform.cpp

@@ -157,7 +157,7 @@ void PrivacyForm::generateRandomNospam()
     QTime time = QTime::currentTime();
     qsrand((uint)time.msec());
 
-    uint32_t newNospam;
+    uint32_t newNospam{0};
     for (int i = 0; i < 4; i++)
         newNospam = (newNospam<<8) + (qrand() % 256); // Generate byte by byte. For some reason.