Use input_Close() rather than vlc_object_release()

input_Create() should be matched with input_Close().
vlc_object_release() should be used only to discard extra references to
the input thread object.

lib/media_player.c

@@ -871,7 +871,7 @@ int libvlc_media_player_play( libvlc_media_player_t *p_mi )
         var_DelCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
         var_DelCallback( p_input_thread, "program-scrambled", input_scrambled_changed, p_mi );
         var_DelCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
-        vlc_object_release( p_input_thread );
+        input_Close( p_input_thread );
         libvlc_printerr( "Input initialization failure" );
         return -1;
     }

src/input/vlm.c

@@ -1028,7 +1028,7 @@ static int vlm_ControlMediaInstanceStart( vlm_t *p_vlm, int64_t id, const char *
             if( input_Start( p_instance->p_input ) != VLC_SUCCESS )
             {
                 var_DelCallback( p_instance->p_input, "intf-event", InputEvent, p_media );
-                vlc_object_release( p_instance->p_input );
+                input_Close( p_instance->p_input );
                 p_instance->p_input = NULL;
             }
         }