Fix From<uuid:Uuid> for GUID (#38)

* Add ToOwned import for UUID feature

* Formatting fix

* Update guid.rs

win_etw_provider/src/guid.rs

@@ -105,7 +105,7 @@ impl From<uuid::Uuid> for GUID {
             data1: fields.0,
             data2: fields.1,
             data3: fields.2,
-            data4: fields.3.to_owned(),
+            data4: *fields.3,
         }
     }
 }