[curl/curl] 08efa1: openssl: do not use file BIOs if not requested

[GitHub]

Branch: refs/heads/master
Home: https://github.com/curl/curl
Commit: 08efa19e6aaf0e8bf8ece5a35f369c0cb346ace9
https://github.com/curl/curl/commit/08efa19e6aaf0e8bf8ece5a35f369c0cb346ace9
Author: Gergely Nagy <***@tresorit.com>
Date: 2018-12-05 (Wed, 05 Dec 2018)

Changed paths:
M lib/vtls/openssl.c

Log Message:
-----------
openssl: do not use file BIOs if not requested

Moves the file handling BIO calls to the branch of the code where they
are actually used.

Closes #3339



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