Fixed some more problems with using the long datatype instead of int.
Updated Q_rsqrt to be compatible with 64-bit
Fixed Q_powf (yes, the camera still feels the same).
Changed a few more uses of long to int, and also corrected int to intptr_t
GUID from dmead/jkaq3.
Merge pull request #324 from deepy/master

  GUID from dmead/jkaq3.
Fixed missing files from SP/MP renderer cmake.