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

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

@@ -0,0 +1,31 @@
+class SynchronizedOnStatic<Z> {
+  static class Inner {
+    private static Object LCK = new Object[0];
+    <clinit>() {
+    }
+    Inner() {
+      super();
+    }
+    public @lombok.Synchronized("LCK") void foo() {
+      synchronized (SynchronizedOnStatic.Inner.LCK)
+        {
+          System.out.println();
+        }
+    }
+  }
+  class Inner2 {
+    private Object LCK = new Object[0];
+    Inner2() {
+      super();
+    }
+    public @lombok.Synchronized("LCK") void foo() {
+      synchronized (this.LCK)
+        {
+          System.out.println();
+        }
+    }
+  }
+  SynchronizedOnStatic() {
+    super();
+  }
+}