[cvs-nhc98] patch applied (yhc): Some tidying to the code in mark.c

[Neil Mitchell]

Thu Feb  7 07:35:50 PST 2008  Tom Shackell <shackell at cs.york.ac.uk>
  * Some tidying to the code in mark.c

    M ./src/runtime/BCKernel/mark.c -21 +21