By Susan Knox George Gilbey’s mum Linda McGarry has shared the final photo she has of her and her late son before his tragic death. The reality TV star, who appeared on the Channel 4 show and Celebrity Big Brother, died at the age of 40 on March 27 following a workplace incident. Last week, the tragic Gogglebox favourite was remembered at an emotional service and committal at a crematorium near his home in Clacton-on-Sea, Essex after the inquest into his death was concluded. Now George’s heartbroken mum has revealed that her late son phoned her just hours before his tragic fall – and has share…