- function bx_read_rc() returns -1 when the rcfile is "none". Now the default   option in the start menu doesn't change to "Begin simulation" in that case.
- function bx_read_rc() returns -1 when the rcfile is "none". Now the default
  option in the start menu doesn't change to "Begin simulation" in that case.

marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet