Fix clang compile time error

|version| "could" be used uninitialized here, not really, but the
compiler doesn't understand the flow

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3373)