QmlCppDebugger: Reshuffle DebuggerState case expressions

Use the same order as in the enum definition.

Change-Id: I80e220a9f6260cf91f153eb98e7520bb8e6ba36e
Reviewed-on: http://codereview.qt-project.org/5895


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Christiaan Janssen <christiaan.janssen@nokia.com>