crypto/conf: openssl_config_int() returns unitialized value
crypto/conf: openssl_config_int() returns unitialized value

openssl_config_int() returns the uninitialized variable `ret`
when compiled with OPENSSL_SYS_UEFI.

Fixes #9026

Reviewed-by: Tim Hudson <eb0be8e447f673b41b10eda09d63cd72526b0a42@openssl.org>
Reviewed-by: Shane Lontis <452ce16516ceed26291fe7de3f8b53540d83864e@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/9029)

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