removed unused longKey variable

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/digester/trunk@1142286 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/commons/digester3/ExtendedBaseRules.java b/src/main/java/org/apache/commons/digester3/ExtendedBaseRules.java
index 161b18f..974c6a5 100644
--- a/src/main/java/org/apache/commons/digester3/ExtendedBaseRules.java
+++ b/src/main/java/org/apache/commons/digester3/ExtendedBaseRules.java
@@ -292,7 +292,6 @@
         // we have to go through for all those universal rules in all cases.
 
         // Find the longest key, ie more discriminant
-        String longKey = "";
         int longKeyLength = 0;
 
         for ( String key : this.cache.keySet() )
@@ -406,7 +405,6 @@
                             if ( keyLength > longKeyLength )
                             {
                                 rulesList = this.cache.get( key );
-                                longKey = key;
                                 longKeyLength = keyLength;
                             }
                         }