pgsql: pgcrypto: report init errors as PXE_CIPHER_INIT

pgcrypto: report init errors as PXE_CIPHER_INIT

Report OpenSSL errors during initialization as PXE_CIPHER_INIT since
that's just what they were, and not generic unknown errors. This also
removes the last users of the generic error, and thus it can be removed.

Discussion: http://postgr.es/m/C89D932C-501E-4473-9750-638CFCD9095E@yesql.se

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/0250a167a07d4d2cff932e467d84306cbd3704fe

Modified Files
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contrib/pgcrypto/openssl.c | 4 ++--
contrib/pgcrypto/px.c      | 1 -
contrib/pgcrypto/px.h      | 2 +-
3 files changed, 3 insertions(+), 4 deletions(-)