Add a newline to the font load debug message

tools/Resources.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Resources.h"
 #include "SkBitmap.h"
 #include "SkCommandLineFlags.h"
@@ skipping 30 matching lines @@
     }
 }
 
 SkTypeface* GetResourceAsTypeface(const char* resource) {
     SkAutoTDelete<SkStreamAsset> stream(GetResourceAsStream(resource));
     if (!stream) {
         return NULL;
     }
     SkAutoTUnref<SkTypeface> typeface(SkTypeface::CreateFromStream(stream.detach()));
     if (!typeface) {
-        SkDebugf("Resource %s not a valid font.", resource);
+        SkDebugf("Resource %s not a valid font.\n", resource);
     }
     return typeface.detach();
 }