made EnterA2 and LeaveA2 visible such that the linker can find the information

git-svn-id: https://svn.inf.ethz.ch/svn/lecturers/a2/trunk@7583 8c9fc860-2736-0410-a75d-ab315db34111

source/Win64.Objects.Mod

@@ -1258,7 +1258,7 @@ END TimerFrequency;
 
 VAR GetProcedureName*: PROCEDURE (pc: ADDRESS; VAR n: ARRAY OF CHAR; VAR spc: ADDRESS);
 
-PROCEDURE LeaveA2;
+PROCEDURE LeaveA2*;
 VAR cur: Process; ebp,n: ADDRESS;
 BEGIN
 	CODE
@@ -1290,7 +1290,7 @@ BEGIN
 	END;
 END LeaveA2;
 
-PROCEDURE ReenterA2;
+PROCEDURE ReenterA2*;
 VAR cur: Process;
 BEGIN
 	IF clock = NIL THEN RETURN END;