source code from : http://gitlab.oe5xbl.ampr.org/oe5hpm/dxlAPRS
commit ID        : 24a4247033d085add1ba453ee49b4a0a53621226
title            : x86_32: fix libfftw3
Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>
x86_32: fix libfftw3 Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>