Instead use CPPFLAGS.file to add the relevant directory for each file.
Removes about 4000000 failed open() system calls from the libcrypto build,
and reduces the compile time (on my system) from 154 seconds to 115 seconds.
The arch/*/*.inc files need similar treatment.
alter des.h to be friendly with openssl/des.h (you can include both in the
same file)
make libkrb to depend on libdes. bump major.
massage various portioin of heimdal to be friendly with openssl 0.9.7b.
