don't use unsigned long where 32bit unsigned variable is asked for.
use u_int32_t. (not sure if uint32_t is better or not, but anyway,
u_int32_t <-> uint32_t should not raise binary compatibility issue)
PR10921.
TODO: have arch-dependent Makefiles where we supply -DFOO for optimization.
(do not change size of variable though)
XXX: we should actually nuke all other #ifdef in /usr/include/openssl/*.h,
however, that needs a lot of work and will make future openssl upgrade harder.
remove RC5 and IDEA by default. build them separately as
libcrypto_{rc5,idea}.a. put dummy function, which is "warning to stderr
and exit(1)". NOCRYPTO_{RC5,IDEA} are obsoleted.
PR10883.
