Be more verbose when debugging is on
Be more verbose when debugging is on

It's near impossible to figure out what goes wrong with the execution
of sub-commands otherwise.

Reviewed-by: Rich Salz <c04971a99e5a9ee80eaab4b1deb37e845b0bd697@openssl.org>

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl