Fixed issue #778: problems with onX if the annotation to be added has named args.

test/transform/resource/before/OnXJava8Style.java

@@ -0,0 +1,16 @@
+//version 8:
+public class OnXJava8Style {
+	@interface Foo {
+		String value() default "";
+	}
+
+	@interface Bar {
+		String stuff() default "";
+	}
+
+	@lombok.Getter(onMethod_=@Foo) String a;
+	@lombok.Setter(onMethod_=@Foo()) String b;
+	@lombok.Setter(onParam_=@Foo("a")) String c;
+	@lombok.Setter(onParam_=@Bar(stuff="b")) String d;
+	@lombok.Getter(onMethod_={@Foo(value="c"), @Bar(stuff="d")}) String e;
+}