Returning correct app failure codes if the app quits before finishing initialisation.

modules/juce_events/messages/juce_ApplicationBase.cpp

@@ -232,7 +232,7 @@ int JUCEApplicationBase::main()
     jassert (app != nullptr);
 
     if (! app->initialiseApp())
-        return 0;
+        return app->getApplicationReturnValue();
 
     JUCE_TRY
     {

modules/juce_gui_basics/native/juce_android_Windowing.cpp

@@ -43,7 +43,7 @@ JUCE_JNI_CALLBACK (JUCE_ANDROID_ACTIVITY_CLASSNAME, launchApp, void, (JNIEnv* en
 
     JUCEApplicationBase* app = JUCEApplicationBase::createInstance();
     if (! app->initialiseApp())
-        exit (0);
+        exit (app->getApplicationReturnValue());
 
     jassert (MessageManager::getInstance()->isThisTheMessageThread());
 }