Fixed leak in IndetationCheck (always clear the chaches ;)

src/checkstyle/com/puppycrawl/tools/checkstyle/checks/indentation/HandlerFactory.java

@@ -228,6 +228,12 @@ public class HandlerFactory
         return new MethodCallHandler(aIndentCheck, aAst, aParent);
     }
 
+    /** Clears cache of created handlers. */
+    void clearCreatedHandlers()
+    {
+        mCreatedHandlers.clear();
+    }
+
     /** cache for created method call handlers */
     private Map mCreatedHandlers = new HashMap();
 }

src/checkstyle/com/puppycrawl/tools/checkstyle/checks/indentation/IndentationCheck.java

@@ -230,6 +230,7 @@ public class IndentationCheck extends Check
      */
     public void beginTree(DetailAST aAst)
     {
+        mHandlerFactory.clearCreatedHandlers();
         mHandlers.clear();
         mHandlers.push(new PrimordialHandler(this));
     }