hg: panama/dev: 8212061: Fix jextract command line errors and crashes

[maurizio.cimadamore at oracle.com]

Changeset: c8daf579cc92
Author:    mcimadamore
Date:      2018-10-11 23:43 +0100
URL:       http://hg.openjdk.java.net/panama/dev/rev/c8daf579cc92

8212061: Fix jextract command line errors and crashes
Reviewed-by: hjen

! src/jdk.jextract/share/classes/com/sun/tools/jextract/Main.java
! src/jdk.jextract/share/classes/com/sun/tools/jextract/resources/Messages.properties
! test/jdk/com/sun/tools/jextract/JextractToolProviderTest.java
+ test/jdk/com/sun/tools/jextract/defaultOutput/TestDefaultOutput.java
+ test/jdk/com/sun/tools/jextract/defaultOutput/foo/foo.h