[Download] Fix XML documentation warnings

Change-Id: I7028971edc8d9b8590239c47f1c5be66307b94fd

diff --git a/src/Tizen.Content.Download/Tizen.Content.Download/Request.cs b/src/Tizen.Content.Download/Tizen.Content.Download/Request.cs
index 11c96a2..24eab9f 100755 (executable)
--- a/src/Tizen.Content.Download/Tizen.Content.Download/Request.cs
+++ b/src/Tizen.Content.Download/Tizen.Content.Download/Request.cs
@@ -177,6 +177,9 @@ namespace Tizen.Content.Download
             _httpHeaders = httpHeaders;
         }
 
+        /// <summary>
+        /// Destructor of the Request class.
+        /// </summary>
         ~Request()
         {
             Dispose(false);