hg: code-tools/jtreg: updates for 7901585: fix for Windows

[jonathan.gibbons at oracle.com]

Changeset: 2dfb85786133
Author:    jjg
Date:      2016-01-24 09:20 -0800
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/2dfb85786133

updates for 7901585: fix for Windows
fix error recovery when an error is discovered early and -retain is used

! make/tests/BadLibsTest.gmk
! src/share/classes/com/sun/javatest/regtest/Locations.java
! src/share/classes/com/sun/javatest/regtest/RegressionScript.java
! src/share/test/javatest/regtest/data/badlibs/d1/d2/Test.java