Kawa build.xml patch for Android

[Per Bothner]

On 07/03/2012 10:50 AM, craven@gmx.net wrote:
> I noticed a problem with one class (gnu.kawa.util.PreProcess) which is
> apparently *not* compiled with the correct flags (problem with the kawa
> build process?).

PreProcess.class isn't compiled with JAVACFLAGS; perhaps is should be.
More to the point, it probably shouldn't be included in kawa-XX.jar,
since it's only intended as a build-time tool.  However, adding $JAVAFCFLAGS
to the rule for PreProcess.class is simple and probably reasonable.

Note the make process builds a kawart-$(VERSION).jar.  This is intended
to be a slimmed-down version with just the run-time classes, and without
the compiler classes.  However, the Kawa classes are too intertwined,
so this is only a partial solution - this is a work-in-progress.
-- 
	--Per Bothner
per@bothner.com   http://per.bothner.com/