Addition of prototype for _papi_hwi_get_granularity(). Not sure how the regression tests were compiling without this.
Addition of prototype for _papi_hwi_get_granularity().
Not sure how the regression tests were compiling without this.

pyrovski/papi,arm-hpc/papi,arm-hpc/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi,pyrovski/papi,arm-hpc/papi