LibreCrypt 6.3α update

This is to fix issue #41 only
Many other things may not work, please only use if you are experiencing that issue, and please don't report bugs against this executable.

To install:
Make a copy of LibreCrypt.exe under C:\Program Files(86)\LibreCrypt\
Copy this file into that directory
You may need to enter an admin password to copy it.
There is no need to reboot
You might later want to restore the old executable, because this is alpha-quality and other things might not work