"Correct" method for migrating libs to Arduino 1.0

Development Libraries
6

or create a file 'WProgram.h' in the 1.0 core directory 'D:\PathToArduino\hardware\arduino\cores\arduino'

and put inside it

#include "Arduino.h"

and just for gcc compiler optimisation you could also put

#ifndef HEADER_WPROGRAM
  #define HEADER_WPROGRAM
  #include "Arduino.h"
#endif

this will fix most libraries.