Mark intended fall-through steps in switch statement of int-pow() implementation with "CYTHON_FALLTHROUGH" to avoid compiler warnings.
Mark intended fall-through steps in switch statement of int-pow() implementation with "CYTHON_FALLTHROUGH" to avoid compiler warnings.

da-woods/cython,scoder/cython,cython/cython,da-woods/cython,cython/cython,scoder/cython,scoder/cython,scoder/cython,cython/cython,da-woods/cython,da-woods/cython,cython/cython