mirakurun: Switch to the util library.
mirakurun: Switch to the util library.

Former-commit-id: 0c8fdce561f74c86f250b6f0532764095b988b01 [formerly 8a6d4c2f5bd66a046b92ab47bc2a7cffb8d44711]
Former-commit-id: 501143569e999b71a68ca058a23cdbe993b1cfe9
torhve/ivar2,torhve/ivar2,haste/ivar2,torhve/ivar2