ssl.c: Certificate store fields freed without being NULLed and then
freed again.
integer.c: Compiler complained that a->dp may be NULL in mp_set_bit when
setting bit.
pkcs12.c: ret is zero after GetLength and this is an error but data is
freed only when ret != 0.
pkcs7.c: derArr was not zeroized for full allocated size.
000fc64f27