Use terser syntax

cmd/goose/main.go

@@ -60,8 +60,7 @@ func main() {
 		log.Fatalf("-dbstring=%q: %v\n", dbstring, err)
 	}
 	defer func() {
-		err := db.Close()
-		if err != nil {
+		if err := db.Close(); err != nil {
 			log.Fatalf("goose: failed to close DB: %v\n", err)
 		}
 	}()

examples/go-migrations/main.go

@@ -34,8 +34,7 @@ func main() {
 	}
 
 	defer func() {
-		err := db.Close()
-		if err != nil {
+		if err := db.Close(); err != nil {
 			log.Fatalf("goose: failed to close DB: %v\n", err)
 		}
 	}()