Update source boilerplate for new LICENSE file

testApp/misc/testByteOrder.cpp

@@ -1,3 +1,7 @@
+/*
+ * Copyright information and license terms for this software can be
+ * found in the file LICENSE that is included with the distribution
+ */
 #include <testMain.h>
 #include <epicsEndian.h>
 #include <stdio.h>