Fix condition for unix socket option parsing
Fix condition for unix socket option parsing

Search for = instead of , in options, so that the case of
unix:file=/myfile works. The search for = will make this case work.
Previously a comma had to be included in the spec.

nla/yaz,dcrossleyau/yaz,nla/yaz,dcrossleyau/yaz,dcrossleyau/yaz,nla/yaz,nla/yaz