correct processing of the target when for anchors with hash-only href
Issue 1537


git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@8459 5f5364db-9458-4db8-a492-e30667be6df6
force build

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@8460 5f5364db-9458-4db8-a492-e30667be6df6