Avoid unnecessary boxing and unboxing in UriParser

Change-Id: I8d20f5918864c0db4a2d948425043cdb516fed5b

Author: schlosna

core-common/src/main/java/org/glassfish/jersey/uri/internal/UriParser.java

@@ -1,7 +1,7 @@
 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
- * Copyright (c) 2012-2015 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012-2017 Oracle and/or its affiliates. All rights reserved.
  *
  * The contents of this file are subject to the terms of either the GNU
  * General Public License Version 2 only ("GPL") or the Common Development
@@ -103,7 +103,7 @@ private String parseComponent(String delimiters, boolean mayEnd, boolean isIp) {
         StringBuilder sb = new StringBuilder();
 
         boolean endOfInput = false;
-        Character c = ci.current();
+        char c = ci.current();
         while (!endOfInput) {
             if (c == '{') {
                 curlyBracketsCount++;