Only rewrite the URI if it's a permanent redirection. Thanks to Sebastian...

Only rewrite the URI if it's a permanent redirection. Thanks to Sebastian Wiedenroth for the patch + some modification by me. Fix #1408

modules/access/http.c

@@ -330,19 +330,20 @@ connect:
             msg_Err( p_access, "insecure redirection ignored" );
             goto error;
         }
-
-        /* Change the URI */
+        if( p_sys->i_code == 301 )
+        {
+            /* Permanent redirection: Change the URI */
             p_playlist = pl_Yield( p_access );
             PL_LOCK;
 
             p_input_item = p_playlist->status.p_item->p_input;
             input_item_SetURI( p_input_item, p_sys->psz_location );
-        free( p_access->psz_path );
-        p_access->psz_path = strdup( p_sys->psz_location );
 
             PL_UNLOCK;
             pl_Release( p_access );
-
+        }
+        free( p_access->psz_path );
+        p_access->psz_path = strdup( p_sys->psz_location );
         /* Clean up current Open() run */
         vlc_UrlClean( &p_sys->url );
         vlc_UrlClean( &p_sys->proxy );