apply XML highlighting to XML schema files with .xsd extension by default
apply XML highlighting to XML schema files with .xsd extension by default

BUG: 200603

svn path=/trunk/KDE/kdelibs/kate/; revision=998715

cmacq2/kate,sandsmark/kate,sandsmark/kate,hlamer/kate,jfmcarreira/kate,jfmcarreira/kate,hlamer/kate,hlamer/kate,hlamer/kate,DickJ/kate,DickJ/kate,hlamer/kate,hlamer/kate,DickJ/kate,sandsmark/kate,cmacq2/kate,hlamer/kate,hlamer/kate,hlamer/kate,jfmcarreira/kate,hlamer/kate,DickJ/kate,cmacq2/kate,sandsmark/kate