Reggie Holt, CEO of Farm Credit of Central Florida, would chafe at being compared to George Bailey, the small-town banker in the classic film “It’s a Wonderful Life” willing to set aside lending conventions to help others. But Bill Klinger would find the comparison apt. “If Farm Credit wasn’t there, I wouldn’t be talking to you now,” Klinger, a partner with his two brothers in Brantley Nurseries, an ornamental plant nursery in Longwood, told The Ledger recently.