Update to OpenSSL 1.0.2.o
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@@ -30,10 +30,12 @@ to the value 0.
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BN_free() frees the components of the B<BIGNUM>, and if it was created
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by BN_new(), also the structure itself. BN_clear_free() additionally
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overwrites the data before the memory is returned to the system.
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If B<a> is NULL, nothing is done.
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=head1 RETURN VALUES
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BN_new() returns a pointer to the B<BIGNUM>. If the allocation fails,
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BN_new() returns a pointer to the B<BIGNUM> initialised to the value 0.
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If the allocation fails,
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it returns B<NULL> and sets an error code that can be obtained
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by L<ERR_get_error(3)|ERR_get_error(3)>.
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