fix: correct implicit struct field name for pointer (#158)

_test/struct13.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+type Fromage struct {
+	http.Server
+}
+
+func main() {
+	a := Fromage{}
+	fmt.Println(a.Server)
+}
+
+// Output:
+// { <nil> <nil> 0s 0s 0s 0s 0 map[] <nil> <nil> 0 0 {{0 0} 0} <nil> {0 0} map[] map[] <nil> []}