fixed iargc() issue again: works now with xlf AND gfortran
fixed iargc() issue again: works now with xlf AND gfortran

rongzhen/FPLAPW-KP,rongzhen/FPLAPW-KP,rongzhen/FPLAPW-KP,rongzhen/FPLAPW-KP,rongzhen/FPLAPW-KP