Update mongoose.c
Update mongoose.c

Add default MIME type for xsl
pfalcon/mongoose-mit,pfalcon-mirrors/mongoose-mit,GerHobbelt/civet-webserver,danburkert/squeasel,daokoder/Marten,GerHobbelt/civet-webserver,jaz303/mongoose-mit,plan44/libmongoose,mygittyhubby/free-mongoose,danburkert/squeasel,brockn/squeasel,jaz303/mongoose-mit,jaz303/mongoose-mit,jaz303/mongoose-mit,chyland/Meerkat,brockn/squeasel,daokoder/Marten,mygittyhubby/free-mongoose,plan44/libmongoose,GerHobbelt/civet-webserver,mulle-nat/mongoose,chyland/Meerkat,pfalcon-mirrors/mongoose-mit,brockn/squeasel,daokoder/Marten,UCSD-PL/csolve-webserver,GerHobbelt/civet-webserver,UCSD-PL/csolve-webserver,danburkert/squeasel,GerHobbelt/civet-webserver,chyland/Meerkat,mygittyhubby/free-mongoose,daokoder/Marten,pfalcon-mirrors/mongoose-mit,danburkert/squeasel,mulle-nat/mongoose,danburkert/squeasel,brockn/squeasel,jaz303/mongoose-mit,chyland/Meerkat,plan44/libmongoose,mulle-nat/mongoose,plan44/libmongoose,mygittyhubby/free-mongoose,daokoder/Marten,chyland/Meerkat,UCSD-PL/csolve-webserver,pfalcon-mirrors/mongoose-mit,daokoder/Marten,GerHobbelt/civet-webserver,plan44/libmongoose,chyland/Meerkat,pfalcon/mongoose-mit,mygittyhubby/free-mongoose,brockn/squeasel,mygittyhubby/free-mongoose,mulle-nat/mongoose,daokoder/Marten,pfalcon/mongoose-mit,pfalcon/mongoose-mit,mygittyhubby/free-mongoose,plan44/libmongoose,brockn/squeasel,pfalcon-mirrors/mongoose-mit,jaz303/mongoose-mit,UCSD-PL/csolve-webserver,danburkert/squeasel,UCSD-PL/csolve-webserver,pfalcon/mongoose-mit,mulle-nat/mongoose