Unbreak Auto-update. Only broke in pre 1.2.1.

Will not be a problem for non-ninjas/employees.

src/system/UpdaterComponent.cpp

@@ -35,7 +35,7 @@ UpdaterComponent::UpdaterComponent(QObject* parent) :
   m_file = nullptr;
   m_manifest = nullptr;
 
-#ifdef NDEBUG
+#ifndef NDEBUG
   m_enabled = false;
 #endif