Fix minor valgrind-found memory leaks

src/core/SkRefDict.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkRefDict.h"
@@ skipping 41 matching lines @@
                 rec->fData->unref();
                 rec->fData = data;
             } else {
                 // remove
                 rec->fData->unref();
                 if (prev) {
                     prev->fNext = rec->fNext;
                 } else {
                     fImpl = rec->fNext;
                 }
+                delete rec;
             }
             return;
         }
         prev = rec;
         rec = rec->fNext;
     }
 
     // if get here, name was not found, so add it
     data->ref();
     rec = new Impl;
     rec->fName.set(name);
     rec->fData = data;
     // prepend to the head of our list
     rec->fNext = fImpl;
     fImpl = rec;
 }
 
 void SkRefDict::removeAll() {
     Impl* rec = fImpl;
     while (rec) {
         Impl* next = rec->fNext;
         rec->fData->unref();
         delete rec;
         rec = next;
     }
     fImpl = NULL;
 }