Fix bug in dynamic initialization code: the nonce must be quoted.

Fix bug in dynamic initialization code: the nonce must be quoted.
Otherwise the C compiler will choke on any file compiled for dynamic
loading.  Was this ever tested??

This same change could be effected in liarc.h by changing
DECLARE_DYNAMIC_INITIALIZATION & DECLARE_DYNAMIC_OBJECT_INITIALIZATION
so that they generate the line

  const char dload_nonce [] = #nonce;

rather than

  const char dload_nonce [] = nonce;