r147324 broke the world
https://bugs.webkit.org/show_bug.cgi?id=113704

Unreviewed build fix.

Remove a bunch of unused variables and use the correctly sized types for 32-bit platforms.

* heap/BlockAllocator.cpp:
(JSC::BlockAllocator::BlockAllocator):
* heap/BlockAllocator.h:
(BlockAllocator):
* heap/Heap.cpp:
(JSC::Heap::Heap):
* heap/SuperRegion.cpp:
(JSC::SuperRegion::SuperRegion):
* heap/SuperRegion.h:
(SuperRegion):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147330 268f45cc-cd09-0410-ab3c-d52691b4dbfc