Class timeval

src/benchmarks/clsparse-bench/src/statisticalTimer.cpp:150–150

	::QueryPerformanceCounter( reinterpret_cast<LARGE_INTEGER*>( &clkStart.at( id ) ) );
#else
	struct timeval s;
	gettimeofday(&s, 0);
	clkStart.at( id ) = (unsigned long long)s.tv_sec * 1000000 + (unsigned long long)s.tv_usec;
#endif