Allocate new conn structures with calloc.
Allocate new conn structures with calloc.

Janusz Dziemidowicz reported conn->next was sometimes not initialized.
This would have been the case for any client connection, or any
listener connection that wasn't tcp.


git-svn-id: 6f10ac456e6b0f1f9ebd9754b1773582cb7e2e6b@787 b0b603af-a30f-0410-a34e-baf09ae79d0b

adamdeprince/flashcached,adamdeprince/flashcached,adamdeprince/flashcached