avoid warning in t/p5_to_p6.t
avoid warning in t/p5_to_p6.t

is() compares by string, so it is not the best for undefined values

FROGGS/Inline-Perl5,hoelzro/Inline-Perl5,FROGGS/Inline-Perl5,niner/Inline-Perl5,hoelzro/Inline-Perl5,hoelzro/Inline-Perl5,niner/Inline-Perl5