Fix an SkCommandLineFlags bug.

tools/flags/SkCommandLineFlags.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCommandLineFlags.h"
+#include "SkTDArray.h"
 
 static bool string_is_in(const char* target, const char* set[], size_t len) {
     for (size_t i = 0; i < len; i++) {
         if (0 == strcmp(target, set[i])) {
             return true;
         }
     }
     return false;
 }
 
@@ skipping 235 matching lines @@
     gHead = NULL;
     while (flag != NULL) {
         SkFlagInfo* next = flag->next();
         SkDELETE(flag);
         flag = next;
     }
     if (helpPrinted) {
         exit(0);
     }
 }