Patch to avoid conflicts with OpenSSL headers

[Adam Langley]

I'm not sure of your preferred process for submitting patches, so
please advise if this isn't it.

The attached git patch renames the MD5_CTX structure to avoid
conflicts with OpenSSL:

    Rename MD5_CTX to SASL_MD5_CTX.

    Both this code and OpenSSL picked up the same MD5 naming from
    twenty-five years ago. Since C doesn't have namespaces, this causes
    conflicts when headers from cyrus-sasl and OpenSSL are included in the
    same file. This is fairly common and, indeed, occurs within several
    plugins included in cyrus-sasl.

    This change renames the MD5_CTX structure in cyrus-sasl to SASL_MD5_CTX
    to avoid this conflict. It also removes the workarounds that several
    plugins needed in order to use OpenSSL.


Cheers

AGL

-- 
Adam Langley agl at imperialviolet.org http://www.imperialviolet.org
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