Fix intvectors 1e, 41, 46. This makes it possible to use win98dos
(even with $_lfn_support=(on)), because this fix stops the memory
corruptions which happen when win98dos *writes* to the disk tables.


git-svn-id: https://dosemu.svn.sourceforge.net/svnroot/dosemu/trunk@1522 7758b857-130e-0410-ab9c-d8735a528d18