Merge "[Content] Fix for playlist's thumbnailURI attribute." into tizen_2.4

diff --cc src/content/content_manager.cc
index cefdbe34758c827e08029894a678915ce6a4bd9b,efbaea9eeff26bf0dc362f739cf82cf2c53b3032..9a7553d9e9367eadca92d3b751dc5a67ccd6faee
--- 1/src/content/content_manager.cc
--- 2/src/content/content_manager.cc
+++ b/src/content/content_manager.cc
@@@ -28,8 -28,8 +28,9 @@@
  #include "common/converter.h"
  #include "common/logger.h"
  #include "common/scope_exit.h"
 +#include "common/virtual_fs.h"
  #include "content/content_filter.h"
+ #include "common/virtual_fs.h"
  
  using namespace std;
  using namespace common;