Both now warn once if directory isn't writeable.
Both now warn on file-write errors (multiple times).
Update manpage to describe both program and script correctly.
Reviewed-by: Richard Levitte <levitte@openssl.org>
On Unix/Linux platforms, merge c_rehash script into openssl as a
C program.
Signed-off-by: Rich Salz <rsalz@akamai.com>
Reviewed-by: Tim Hudson <tjh@openssl.org>
