audiovisualizer: revert renaming of the type

The special type name was lost when merging from base.

gst/audiovisualizers/gstaudiovisualizer.c

@@ -123,10 +123,9 @@ gst_audio_visualizer_shader_get_type (void)
 
   if (G_UNLIKELY (shader_type == 0)) {
     /* TODO: rename when exporting it as a library */
-    /* FIXME: -Bad- name */
     shader_type =
-        g_enum_register_static ("GstAudioVisualizerShader-Bad-BaseExtVisual",
-        shaders);
+        g_enum_register_static
+        ("GstAudioVisualizerShader-BadGstAudioVisualizers", shaders);
   }
   return shader_type;
 }