Add license header to new epicsReadlinePvt.h

modules/libcom/src/osi/epicsReadlinePvt.h

@@ -1,3 +1,11 @@
+/*************************************************************************\
+* Copyright (c) 2002 The University of Saskatchewan
+* Copyright (c) 2015 UChicago Argonne LLC, as Operator of Argonne
+*     National Laboratory.
+* SPDX-License-Identifier: EPICS
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
 #ifndef EPICSREADLINEPVT_H
 #define EPICSREADLINEPVT_H