Fix for feature request #655 (Loading the GHC library from GHCi.)

[Simon Marlow]

Mon Jan 23 03:06:25 PST 2006  Lemmih <lemmih at gmail.com>
  * Fix for feature request #655 (Loading the GHC library from GHCi.)
  Moved the utility functions out of hschooks, avoided
  linking the GHC library with hschooks.o and
  added a couple of symbols to the linkers export list.

    M ./ghc/compiler/Makefile -1 +1
    A ./ghc/compiler/parser/cutils.c
    A ./ghc/compiler/parser/cutils.h
    M ./ghc/compiler/parser/hschooks.c -36
    M ./ghc/compiler/parser/hschooks.h -6
    M ./ghc/rts/Linker.c +13