added missing copyright statements

Processes/SwitchProcess/SwitchProcess.h

+/*
+ * (c) Copyright 2019 CORSIKA Project, corsika-project@lists.kit.edu
+ *
+ * See file AUTHORS for a list of contributors.
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
+ * the license.
+ */
+
 #ifndef _corsika_SwitchProcess_h
 #define _corsika_SwitchProcess_h
 

Processes/SwitchProcess/testSwitchProcess.cc

+/*
+ * (c) Copyright 2019 CORSIKA Project, corsika-project@lists.kit.edu
+ *
+ * See file AUTHORS for a list of contributors.
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
+ * the license.
+ */
+
 #include <corsika/process/switch_process/SwitchProcess.h>
 #include <corsika/stack/SecondaryView.h>
 #include <corsika/stack/Stack.h>