Revision 1774378

Fix some compilation warnings.

* buckets/hpack_buckets.c (handle_read_entry_and_clear):
   The precision argument for printf format "%.*" must be an int.

* buckets/log_wrapper_buckets.c
  (serf_log_wrapped_readline,
   serf_log_wrapped_read_iovec,
   serf_log_wrapped_read): Likewise.

* buckets/ssl_buckets.c
  (ssl_decrypt, ssl_encrypt): Likelwise.

* buckets/mmap_buckets.c
  (serf_mmap_read,
   serf_mmap_readline,
   serf_mmap_peek): Fix pointer types in output arguments.