hg: compiler-grammar/jls8/langtools: Fix NPEs causing by endPosTable unset

[jonathan.gibbons at oracle.com]

Changeset: 6f934cda57cd
Author:    jjg
Date:      2014-08-05 14:11 -0700
URL:       http://hg.openjdk.java.net/compiler-grammar/jls8/langtools/rev/6f934cda57cd

Fix NPEs causing by endPosTable unset
Fix NPEs in switch statement handling
JavaTranslator updates contributed by Jonathan McKinsey

! src/share/classes/com/sun/tools/javac/antlr/AntlrParserFactory.java
! src/share/classes/com/sun/tools/javac/antlr/JavaTranslator.java
! src/share/classes/com/sun/tools/javac/parser/JavacParser.java