[C2hs] patch applied (c2hs): Make Position a proper (though not abstract) type

[Duncan Coutts]

Fri Feb  9 05:13:08 PST 2007  Duncan Coutts <duncan.coutts at worc.ox.ac.uk>
  * Make Position a proper (though not abstract) type
  Also strictify and unpack the row and col numbers

    M ./base/errors/Errors.hs -2 +2
    M ./base/general/Position.hs -26 +31
    M ./base/syntax/Lexers.hs -8 +8
    M ./c2hs/c/C.hs -2 +2
    M ./c2hs/c/CLexer.x -5 +5
    M ./c2hs/chs/CHS.hs -3 +3
    M ./c2hs/chs/CHSLexer.hs -3 +3