fixed linux example

bsp_linux/core/InitMission.cpp

@@ -1,5 +1,5 @@
 #include "InitMission.h"
-#include <OBSWConfig.h>
+#include "OBSWConfig.h"
 
 #include <bsp_linux/fsfwconfig/objects/systemObjectList.h>
 #include <bsp_linux/fsfwconfig/pollingsequence/pollingSequenceFactory.h>
@@ -216,7 +216,7 @@ void InitMission::createTasks() {
 
 
 #if OBSW_ADD_DEVICE_HANDLER_DEMO
-    HasModesIF* assembly = objectManager->get<HasModesIF>(objects::TEST_ASSEMBLY);
+    HasModesIF* assembly = ObjectManager::instance()->get<HasModesIF>(objects::TEST_ASSEMBLY);
     if (assembly == nullptr){
     	return;
     }