initialisation problems in rpc code

[Luke Kenneth Casson Leighton]

> Luke, you might like to go through the rpc code adding initialisation
> to all those structures. I'll fix the couple that I have seen problems
> with, but really it needs a more thorough examination.

i would like to have:

make_xxx()
parse_xxx()
free_xxx()

functions automatically generated from the header files or from some IDL
files.  then the auto-generated c code will do initialisation of _all_
structures, no problem.

luke