+ added RegisterTinyHeapBlock_Simple_Prealigned procedure, which is the same as
  RegisterTinyHeapBlock_Simple, but expects its address and size parameters to
  be already aligned on a TinyHeapAllocGranularity boundary



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28651 3ad0048d-3df7-0310-abae-a5850022a9f2