fixes nullref in curl_getinfo
fixes nullref in curl_getinfo

fixes https://github.com/peachpiecompiler/peachpie/issues/612

iolevel/peachpie,peachpiecompiler/peachpie,peachpiecompiler/peachpie,peachpiecompiler/peachpie,iolevel/peachpie,iolevel/peachpie-concept,iolevel/peachpie,iolevel/peachpie-concept,iolevel/peachpie-concept