Allocate is only called when no handle in constructor so assert that to avoid warning from cppcheck.
Allocate is only called when no handle in constructor so assert that to avoid
warning from cppcheck.

windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla