Fix an unpack example in the docs
Fix an unpack example in the docs

AmesianX/jansson,wirebirdlabs/featherweight-jansson,firepick1/FireSight,slackner/jansson,akheron/jansson-debian,akheron/jansson,simonfojtu/FireSight,firepick1/jansson,Vorne/jansson,simonfojtu/FireSight,bstarynk/jansson,Mephistophiles/jansson,gameclosure/jansson,akheron/jansson-debian,Mephistophiles/jansson,attie/jansson,gameclosure/jansson,firepick-delta/FireSight,wirebirdlabs/featherweight-jansson,npmccallum/jansson,yahoo/ygloo-external-jansson,OlehKulykov/jansson,rogerz/jansson,rogerz/jansson,akheron/jansson,markalanj/jansson,bstarynk/jansson,firepick-delta/FireSight,liu3tao/jansson,yahoo/ygloo-external-jansson,rogerz/jansson,markalanj/jansson,firepick-delta/FireSight,janetuk/jansson,liu3tao/jansson,janetuk/jansson,firepick1/FireSight,rogerz/jansson,chrullrich/jansson,akheron/jansson-debian,janetuk/jansson,yahoo/ygloo-external-jansson,firepick1/FireSight,npmccallum/jansson,firepick1/jansson,akheron/jansson,yahoo/ygloo-external-jansson,slackner/jansson,gameclosure/jansson,firepick1/jansson,chrullrich/jansson,akheron/jansson-debian,janetuk/jansson,simonfojtu/FireSight,Vorne/jansson,attie/jansson,AmesianX/jansson,bstarynk/jansson,markalanj/jansson,OlehKulykov/jansson