ZOOKEEPER-3041: Typo in error message, affects log analysis; charater --> character

Author: Hugh O'Brien <hugh.obrien@jet.com>

Reviewers: phunt@apache.org

Closes #498 from hughobrienjet/master

Change-Id: I3f4145c5c3eb4052cd7f0859053bb3711dfdd64c

src/java/main/org/apache/zookeeper/common/PathUtils.java

@@ -90,7 +90,7 @@ public class PathUtils {
                     || c >= '\u007f' && c <= '\u009F'
                     || c >= '\ud800' && c <= '\uf8ff'
                     || c >= '\ufff0' && c <= '\uffff') {
-                reason = "invalid charater @" + i;
+                reason = "invalid character @" + i;
                 break;
             }
         }