patch: minor fixes

[Stefan Seefeld]

The attached patch fixes three issues:

* The default-option logic in configure.ac was wrong such that --enable-ref-impl
  and --without-lapack couldn't coexist.

* The src/core/vsip/fft.hpp file had a typo (exposed when built in ref-impl mode).

* The tests/ref-impl/GNUmakefile is obsolete and outdated, and thus is removed now.

OK to check in ?

Thanks,
		Stefan


-- 
Stefan Seefeld
CodeSourcery
stefan at codesourcery.com
(650) 331-3385 x718
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