Add license info to example files

Change-Id: I0b4ef44bb6cc3ad55383a918949a1e2f744c2dbe
Signed-off-by: E. Scott Daniels <daniels@research.att.com>
diff --git a/examples/Makefile b/examples/Makefile
index 6314ea3..d44ee37 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -1,3 +1,21 @@
+#==================================================================================
+#    Copyright (c) 2019 Nokia
+#    Copyright (c) 2018-2019 AT&T Intellectual Property.
+#
+#   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
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#==================================================================================
+#
+
 # The demo programmes assume that RMr (along with nng) is installed
 # It may be necessary to set LD_LIBRARY_PATH=/usr/local/lib
 
@@ -6,9 +24,9 @@
 all: sender receiver
 
 receiver: receiver.c
-        gcc $< -g -o $@ -lrmr_nng -lnng -lpthread -lm
+	gcc $< -g -o $@ -lrmr_nng -lnng -lpthread -lm
 
 sender: sender.c
-        gcc $< -g -o $@ -lrmr_nng -lnng -lpthread -lm
+	gcc $< -g -o $@ -lrmr_nng -lnng -lpthread -lm