Update mongoose.c
Update mongoose.c

when having connections with and without auth would cause double free and then crash
chyland/Meerkat,mulle-nat/mongoose,pfalcon/mongoose-mit,mulle-nat/mongoose,GerHobbelt/civet-webserver,jaz303/mongoose-mit,mulle-nat/mongoose,plan44/libmongoose,mygittyhubby/free-mongoose,GerHobbelt/civet-webserver,pfalcon/mongoose-mit,brockn/squeasel,plan44/libmongoose,mygittyhubby/free-mongoose,daokoder/Marten,pfalcon-mirrors/mongoose-mit,GerHobbelt/civet-webserver,jaz303/mongoose-mit,chyland/Meerkat,brockn/squeasel,jaz303/mongoose-mit,plan44/libmongoose,jaz303/mongoose-mit,mulle-nat/mongoose,mulle-nat/mongoose,brockn/squeasel,mygittyhubby/free-mongoose,plan44/libmongoose,GerHobbelt/civet-webserver,mygittyhubby/free-mongoose,mygittyhubby/free-mongoose,daokoder/Marten,daokoder/Marten,pfalcon/mongoose-mit,chyland/Meerkat,plan44/libmongoose,brockn/squeasel,daokoder/Marten,daokoder/Marten,jaz303/mongoose-mit,jaz303/mongoose-mit,pfalcon/mongoose-mit,chyland/Meerkat,brockn/squeasel,danburkert/squeasel,pfalcon-mirrors/mongoose-mit,pfalcon-mirrors/mongoose-mit,plan44/libmongoose,danburkert/squeasel,pfalcon-mirrors/mongoose-mit,mygittyhubby/free-mongoose,mygittyhubby/free-mongoose,GerHobbelt/civet-webserver,pfalcon/mongoose-mit,daokoder/Marten,chyland/Meerkat,GerHobbelt/civet-webserver,danburkert/squeasel,danburkert/squeasel,pfalcon-mirrors/mongoose-mit,danburkert/squeasel,brockn/squeasel,chyland/Meerkat,daokoder/Marten,danburkert/squeasel