A guest at a restaurant in western Germany found himself locked inside after the staff closed up while he was in the bathroom, according to local police early on Saturday morning. The restaurant staff in the city of Mannheim apparently didn’t realize the 47-year-old man was still in the bathroom, where he’d been for more than a quarter of an hour, and locked the building. Police said the many spent some time weighing his “escape options” before deciding to dial the emergency police hotline. Officers rescued the man from his predicament via a window. The restaurateur assured the officers that i…