Fix a couple of compiler warnings in DefaultLutService

... while it is still open in my editor...

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Merge branch 'master' of git://github.com/imagej/imagej
Updater (cmd-line): allow removing new files

Files are marked as 'NEW' when the updater has not seen them before,
or was interrupted after just having seen it. Such files should still
be remove'able.

This also happens to fix an intermittent error with Jenkins testing
the updater.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>