correct preprocessor define now used

unittest/user/unittest/core/CatchDefinitions.cpp

@@ -5,7 +5,7 @@ StorageManagerIF* tglob::getIpcStoreHandle() {
 	if(objectManager != nullptr) {
 		return objectManager->get<StorageManagerIF>(objects::IPC_STORE);
 	} else {
-#if CPP_OSTREAM_ENABLED == 1
+#if FSFW_CPP_OSTREAM_ENABLED == 1
 		sif::error << "Global object manager uninitialized" << std::endl;
 #endif
 		return nullptr;