hg: jdk/hs: 8194143: remove unneeded casts in LocationImpl and MirrorImpl classes

[serguei.spitsyn at oracle.com]

Changeset: 6738bf669314
Author:    sspitsyn
Date:      2018-01-22 14:14 -0800
URL:       http://hg.openjdk.java.net/jdk/hs/rev/6738bf669314

8194143: remove unneeded casts in LocationImpl and MirrorImpl classes
Summary: remove unneeded casts in LocationImpl and MirrorImpl classes
Reviewed-by: sspitsyn, dholmes
Contributed-by: egor.ushakov at jetbrains.com

! src/jdk.jdi/share/classes/com/sun/tools/jdi/LocationImpl.java
! src/jdk.jdi/share/classes/com/sun/tools/jdi/MirrorImpl.java