Added by zzak (zzak _) about 10 years ago. Updated almost 10 years ago.
cc #9592
Applied in changeset r45778.
merge revision(s) r45271: [Backport #9592] [Backport #9671]
* ext/openssl/ossl.c (ossl_make_error): check NULL for unknown error reasons with old OpenSSL, and insert a colon iff formatted message is not empty.
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