Fix Nmatrix.has_clapack?
Fix Nmatrix.has_clapack?

wlevine/nmatrix,agisga/nmatrix,agisga/nmatrix,wlevine/nmatrix,johnmarinelli/nmatrix,agisga/nmatrix,janusnic/nmatrix,janusnic/nmatrix,wlevine/nmatrix,johnmarinelli/nmatrix,janusnic/nmatrix,johnmarinelli/nmatrix,janusnic/nmatrix,wlevine/nmatrix,agisga/nmatrix,johnmarinelli/nmatrix