Now games that use it assume the user has input "000000" which seems to
work for most games. Gets Pixel junk monsters deluxe and Worms battle
island in-game
New UNUSABLE_MMAP code path for platforms that cannot use the required flags (Xbox 360, Symbian). Falls back to malloc() instead.
N1 define for compilers (GCCE) that don't like to assume (int)-1 will safely cast to (char)-1.
Miscellaneous space->tab fixes.
