Fix: Stop any gamelog action when recovering from SlError()

src/saveload/saveload.cpp

@@ -341,6 +341,10 @@ void NORETURN SlError(StringID string, const char *extra_msg)
 	 * when we access them during cleaning the pool dereferences of
 	 * those indices will be made with segmentation faults as result. */
 	if (_sl.action == SLA_LOAD || _sl.action == SLA_PTRS) SlNullPointers();
+
+	/* Logging could be active. */
+	GamelogStopAnyAction();
+
 	throw std::exception();
 }