Fix bug #340 for no-byte branch

fix several examples of speculative codebook read not forcing eop when running out of bits

Increase debugging mallog head alignment to work by default on 64 bit systems.




git-svn-id: https://svn.xiph.org/branches/lowmem-no-byte/Tremor@13183 0101bb08-14d6-0310-b084-bc0e0c8e3800