Instead of figuring out which free list the fragment belongs to based on size
we simply store a pointer to the list which it belongs in the fragment.
This was reviewed by Brian and should hit all the branches.
This commit was SVN r10072.
on others as an char*. Thus the right side of all assignment should be explicitly casted to an void* in
order to avoid any casting complaints from the compilers.
This commit was SVN r7607.
