Win32 filename problems. Put Win32 path separator when creating
Console file. This fixes bug #846.
kes Change berrno::strerror() to berrno::bstrerror(). Not yet full
implemented.
kes Pass jcr to crypt_sign_decode because it creates a new SIGNATURE
structure.
kes Define b_errno_win32 on Linux to be zero so that it can be or'ed in
to force Win32 error message.