[fixes #678] @Synchronize an instance method on static variable no longer emits a warning.

test/transform/resource/after-ecj/SynchronizedName.java

@@ -13,7 +13,7 @@ class SynchronizedName {
       }
   }
   @lombok.Synchronized("READ") void test4() {
-    synchronized (this.READ)
+    synchronized (SynchronizedName.READ)
       {
         System.out.println("four");
       }