This patch is for compiling fftw on 32-bit systems that don't have sse2.
It passes all the dejagnu tests.  I have also fixed the package config file
to add -R${libdir}.

The configure script disables some optimizations which should be able
to be removed if the compiler backend crashes get fix (and I report
the bugs....)

libofa is going to need some massaging because it relies upon
fftw, but compiled on sse, there aren't long floats, so the test for
fftw_malloc fails, because without long floats, fftw_malloc in
this version is renamed fftwf_malloc.

And yes, I don't know the reason, but enable/disable didn't work
for me.  I switched to with/without and fftw correctly built for
SSE based systems (with enable/disable SSE2 is still
enabled somehow).

Ben
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