Properly deprecate HttpRequestHandlerRegistry#matchUriRequestPattern.

This needs a comment and an annotation. The original deprecation was
submitted in HTTPCORE-148, in this patch:
https://issues.apache.org/jira/secure/attachment/12376138/changes.txt

Change-Id: I4c8723c7a632ec09ee03d91f38097d758959f163
diff --git a/src/org/apache/http/protocol/HttpRequestHandlerRegistry.java b/src/org/apache/http/protocol/HttpRequestHandlerRegistry.java
index 668d748..79701e3 100644
--- a/src/org/apache/http/protocol/HttpRequestHandlerRegistry.java
+++ b/src/org/apache/http/protocol/HttpRequestHandlerRegistry.java
@@ -73,8 +73,9 @@
     }
 
     /**
-     * @deprecated
+     * @deprecated use {@link UriPatternMatcher} directly
      */
+    @Deprecated
     protected boolean matchUriRequestPattern(final String pattern, final String requestUri) {
         return matcher.matchUriRequestPattern(pattern, requestUri);
     }