Non existence of _FPU_EXTENDED definition on powerpc64 (like it is for apple and arm)
prevent compilation when WITH_CUDA is set. Adding powerpc64 as case to not use these
definitions
modifié: modules/cudalegacy/test/TestHaarCascadeApplication.cpp
modifié: modules/cudalegacy/test/test_precomp.hpp
Signed-off-by: Thierry Fauck <tfauck@free.fr>