Added explanatory note to GRANGE_FLAG_REFPOS_HAVE_* fields so we don't
accidentally recreate the same bug as before. (Fake warnings from
Check Database.)


git-svn-id: svn://svn.code.sf.net/p/staden/code/staden@3701 ba6f2710-ca9f-427c-89d3-5bf716dbc8e1