JavaScript: fix setting value to toString() function.

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9154 5f5364db-9458-4db8-a492-e30667be6df6
JavaScript: fix setting indexed value to toString() function.

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9155 5f5364db-9458-4db8-a492-e30667be6df6
code style

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9156 5f5364db-9458-4db8-a492-e30667be6df6