Add deprecation annotation to Java method.

Required by Google’s compiler.

Author: Neil Fraser

java/src/name/fraser/neil/plaintext/diff_match_patch.java

@@ -1810,7 +1810,7 @@ public LinkedList<Patch> patch_make(LinkedList<Diff> diffs) {
  * @return LinkedList of Patch objects.
  * @deprecated Prefer patch_make(String text1, LinkedList<Diff> diffs).
  */
- public LinkedList<Patch> patch_make(String text1, String text2,
+ @Deprecated public LinkedList<Patch> patch_make(String text1, String text2,
  LinkedList<Diff> diffs) {
  return patch_make(text1, diffs);
  }