Changes between 0.9.5a and 0.9.6 [xx XXX 2000]
+ *) Disable the check for content being present when verifying detached
+ signatures in pk7_smime.c. Some versions of Netscape (wrongly)
+ include zero length content when signing messages.
+ [Steve Henson]
+
*) New BIO_shutdown_wr macro, which invokes the BIO_C_SHUTDOWN_WR
BIO_ctrl (for BIO pairs).