Whether there is evidence that the time given a real estate broker to procure a purchaser has been waived, or the contract has been continued, is for the jury. Ice v. Maxwell, 61 W. Va. 9, 55 S. E. 899; Arents v. Casselman (Va. Sup. '10), 66 S. E. 820; Weisells-Gerhart R. E. Co. v. Epstein, 137 S. W. 326, 157 Mo. App. 101; Smith v. Sharp R. E. Co., 77 S. 40, 200 Ala. 666.