Bug 115865: our code only uses the lower 32 bits of the result of QueryPerformanceFrequency, so assert that the higher 32 bits are all zeros.
Bug 115865: our code only uses the lower 32 bits of the result of
QueryPerformanceFrequency, so assert that the higher 32 bits are all zeros.

makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub