[UPDATE] Update Scintilla to 3.3.4
[BUG_FIXED] (Author: Dave Brotherstone) Fix scintilla crash bug while closing a document.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1104 f5eea248-9336-0410-98b8-ebc06183d4e3