const runtime.m4

3 uses

	runtime (current package)
		hash64.go#L20: 	m4 = 15839092249703872147
		hash64.go#L64: 			v3 = rotl_31(v3*m3) * m4
		hash64.go#L67: 			v4 = rotl_31(v4*m4) * m1