fix issue #932: @Delegate would not generate varargs on javac

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

@@ -0,0 +1,25 @@
+import lombok.experimental.Delegate;
+class DelegateWithVarargs {
+  private interface Bar {
+    void justOneParameter(int... varargs);
+    void multipleParameters(String first, int... varargs);
+    void array(int[] array);
+    void arrayVarargs(int[]... arrayVarargs);
+  }
+  private @Delegate Bar bar;
+  DelegateWithVarargs() {
+    super();
+  }
+  public @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") void array(final int[] array) {
+    this.bar.array(array);
+  }
+  public @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") void arrayVarargs(final int[]... arrayVarargs) {
+    this.bar.arrayVarargs(arrayVarargs);
+  }
+  public @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") void justOneParameter(final int... varargs) {
+    this.bar.justOneParameter(varargs);
+  }
+  public @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") void multipleParameters(final java.lang.String first, final int... varargs) {
+    this.bar.multipleParameters(first, varargs);
+  }
+}