Close #8900, close #9550
[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
git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@461 f5eea248-9336-0410-98b8-ebc06183d4e3