cleanup: rename

Author: niyatim23

src/gstreamer/gstkvssink.h

@@ -217,11 +217,11 @@ struct _KvsSinkMetric {
 };
 
 static bool inline put_fragment_metadata(GstElement* element, const std::string name, const std::string value, bool persistent) {
-  GstStructure* structure = gst_structure_new_empty(KVS_ADD_METADATA_G_STRUCT_NAME);
-  gst_structure_set(structure, KVS_ADD_METADATA_NAME, G_TYPE_STRING, name.c_str(), 
+  GstStructure *metadata = gst_structure_new_empty(KVS_ADD_METADATA_G_STRUCT_NAME);
+  gst_structure_set(metadata, KVS_ADD_METADATA_NAME, G_TYPE_STRING, name.c_str(), 
                   KVS_ADD_METADATA_VALUE, G_TYPE_STRING, value.c_str(), 
                   KVS_ADD_METADATA_PERSISTENT, G_TYPE_BOOLEAN, persistent, NULL);
-  GstEvent* event = gst_event_new_custom(GST_EVENT_CUSTOM_DOWNSTREAM, structure);
+  GstEvent* event = gst_event_new_custom(GST_EVENT_CUSTOM_DOWNSTREAM, metadata);
   return gst_element_send_event(element, event);
 }