Add author information to big-int implementation file

tautschnig · tautschnig · commit 476ffb314e7e · 2018-11-11T21:08:42.000Z
This one file was missing author information.
diff --git a/src/big-int/bigint-func.cc b/src/big-int/bigint-func.cc
@@ -1,5 +1,5 @@
 // $Id: bigint-func.cc,v 1.1.1.1 2002-06-13 22:00:30 kroening Exp $
-
+// Author: Dirk Zoller
 // References:
 //
 // [1] H�ttenhofer/Lesch/Peyerimhoff, Mathematik in Anwendung mit C++
