Include core_io.h from core_read.cpp
Include core_io.h from core_read.cpp


Former-commit-id: 7c7fcbda73f2604fa8cd8b30ac3aa70ceaf2d7f3
syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin