host stack: update stale copyright

Change-Id: I33cd6e44d126c73c1f4c16b2041ea607b4d7f39f
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/session-apps/echo_client.c b/src/vnet/session-apps/echo_client.c
index c15798d..fb7de48 100644
--- a/src/vnet/session-apps/echo_client.c
+++ b/src/vnet/session-apps/echo_client.c
@@ -1,7 +1,7 @@
 /*
  * echo_client.c - vpp built-in echo client code
  *
- * Copyright (c) 2017 by Cisco and/or its affiliates.
+ * Copyright (c) 2017-2019 by Cisco and/or its affiliates.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
diff --git a/src/vnet/session-apps/echo_client.h b/src/vnet/session-apps/echo_client.h
index 2270720..b183ed7 100644
--- a/src/vnet/session-apps/echo_client.h
+++ b/src/vnet/session-apps/echo_client.h
@@ -2,7 +2,7 @@
 /*
  * echo_client.h - built-in application layer echo client
  *
- * Copyright (c) <current-year> <your-organization>
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
diff --git a/src/vnet/session-apps/echo_server.c b/src/vnet/session-apps/echo_server.c
index ab90004..d165fb3 100644
--- a/src/vnet/session-apps/echo_server.c
+++ b/src/vnet/session-apps/echo_server.c
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2015-2017 Cisco and/or its affiliates.
+* Copyright (c) 2017-2019 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
diff --git a/src/vnet/session-apps/http_server.c b/src/vnet/session-apps/http_server.c
index ae8bdf4..4547a4d 100644
--- a/src/vnet/session-apps/http_server.c
+++ b/src/vnet/session-apps/http_server.c
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2015-2019 Cisco and/or its affiliates.
+* Copyright (c) 2017-2019 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
diff --git a/src/vnet/session-apps/proxy.c b/src/vnet/session-apps/proxy.c
index 2e03ccc..0d4cdd4 100644
--- a/src/vnet/session-apps/proxy.c
+++ b/src/vnet/session-apps/proxy.c
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2015-2017 Cisco and/or its affiliates.
+* Copyright (c) 2017-2019 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
diff --git a/src/vnet/session-apps/proxy.h b/src/vnet/session-apps/proxy.h
index c221a5e..6a24358 100644
--- a/src/vnet/session-apps/proxy.h
+++ b/src/vnet/session-apps/proxy.h
@@ -2,7 +2,7 @@
 /*
  * builtin_proxy.h - skeleton vpp engine plug-in header file
  *
- * Copyright (c) <current-year> <your-organization>
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at: