DEAR PAW’S CORNER: My 10-year-old shorthaired cat Vic has always had a sensitive stomach. About once a week, he would vomit right after eating. However, in the past couple of weeks, he has vomited every other day, at least. I feed him a canned food for senior pets along with a handful of dry kibble each day. Changing the type of food doesn’t seem to help. Is it time to call the vet? -- Carolyn K.,…