When not writing to file in DM, spew verbose output to stderr

dm/DM.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 "CrashHandler.h"
 #include "DMJsonWriter.h"
 #include "DMSrcSink.h"
@@ skipping 1285 matching lines @@
 }
 
 #undef PORTABLE_FONT_PREFIX
 
 extern SkTypeface* (*gCreateTypefaceDelegate)(const char [], SkTypeface::Style );
 
 int dm_main();
 int dm_main() {
     setup_crash_handler();
 
-    if (FLAGS_verbose && !FLAGS_writePath.isEmpty()) {
-        sk_mkdir(FLAGS_writePath[0]);
-        gVLog = freopen(SkOSPath::Join(FLAGS_writePath[0], "verbose.log").c_str(), "w", stderr);
+    if (FLAGS_verbose) {
+        if(!FLAGS_writePath.isEmpty()) {
+            sk_mkdir(FLAGS_writePath[0]);
+            gVLog = freopen(SkOSPath::Join(FLAGS_writePath[0], "verbose.log").c_str(), "w", stderr);
+        } else {
+            gVLog = stderr;
+        }
     }
 
     JsonWriter::DumpJson();  // It's handy for the bots to assume this is ~never missing.
     SkAutoGraphics ag;
     SkTaskGroup::Enabler enabled(FLAGS_threads);
     gCreateTypefaceDelegate = &create_from_name;
 
     {
         SkString testResourcePath = GetResourcePath("color_wheel.png");
         SkFILEStream testResource(testResourcePath.c_str());
@@ skipping 161 matching lines @@
                                                            Reporter* reporter,
                                                            GrContextFactory* factory);
 } // namespace skiatest
 
 #if !defined(SK_BUILD_FOR_IOS)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif