VM pointers delivered

[sig]

Ok, i made some changes to make VMPointers work with foo struct.
Since foo always pointing to fum, there's no harm by initializing
pointer to var 'bar' as '&fum.bar', which compiles perfectly :)

Until people deciding using foo struct in windows or not, i left an option there
- if you don't want to use it, simply don't accept
Win32VMMaker>>createCodeGenerator
method. If you do, then don't forget to copy patched platform source
code, which you can find on mantis
http://bugs.squeak.org/view.php?id=6561.
Code works in both cases, so this does not really matter.

Also, i made some changes, to be able generate code with indirect calls.
I think you may be interested to play with.
There is single method  in TSendNode,
and couple #emitFunctionCallFor: , #useIndirectCalls in CCodeGenerator.
If you don't want them - simply do not accept these changes , or
change 'true' to 'false' in

CCodeGenerator>>useIndirectCalls
	^ true and: [ self isGeneratingPluginCode not]

A cool trick to test, is current code ready for using indirect calls
everywhere in VM/plugins is to change generated function names by
prepending them with '_'.
I really don't care at current stage, how many places in VM/plugins
will require changes, first, i need to finish with compiler
integration for my asm-generator :)