Fix more valgrind issues.

Fix more valgrind issues.

This passes down the timeout more consistantly, and ensures that no
matter how the modules screw up, we don't free() the memory we are
going to write into the ASN1 packet until we actually write it out.

Andrew Bartlett
(This used to be commit eefd46289b90967ce6b4cd385fb1f7e1d6f9b343)