Fix Issue 489: The href attribute on image elements was being created without a prefix.
Fix Issue 489: The href attribute on image elements was being created without a prefix.

setAttributeNS(nsuri, name, value) takes a qname, not a localname as its 2nd argument. (This is not to be confused with getAttributeNS(nsuri, name), which takes a localname as its 2nd argument.)

git-svn-id: 829f041edcabe93b7893c4ec42f5993156d1fcf0@1410 eee81c28-f429-11dd-99c0-75d572ba1ddd

kenwenzel/svg-edit,kenwenzel/svg-edit,kenwenzel/svg-edit