[cvs-nhc98] patch applied (yhc): Moved to switching based on NEED_HEAPS rather than on single instructions

[Neil Mitchell]

Thu Jun 21 06:30:28 PDT 2007  Tom Shackell <shackell at cs.york.ac.uk>
  * Moved to switching based on NEED_HEAPS rather than on single instructions

    M ./src/runtime/BCKernel/muthelpers.h -2
    M ./src/runtime/BCKernel/mutins.h +1
    M ./src/runtime/BCKernel/process.h -1 +1