missing the Primetime Emmy Awards earlier this month.Fans have expressed concern about Van Dyke’s health since the legendary TV actor, 98, skipped the ceremony after being slated as a presenter. However, in the exclusive video obtained by The Post, the icon was all smiles as he left a pharmacy in Malibu on Monday morning and even joked about his next birthday. “I feel old,” Van Dyke said with a laugh and a giant grin when asked by a photographer how he’s feeling.As for whether the star has any big plans for his upcoming 99th birthday in December, Van Dyke added with his characteristic comedic timing, “Just praying that I make it.”Earlier on Monday, it was announced that Van Dyke would be skipping a three-day FanX event in Salt Lake City, Utah, from Sept.