Add 2 shortnames for modules that have options...

Makes it better for preferences.

modules/demux/image.c

@@ -73,6 +73,7 @@ static void Close(vlc_object_t *);
 
 vlc_module_begin()
     set_description(N_("Image demuxer"))
+    set_shortname(N_("Image"))
     set_category(CAT_INPUT)
     set_subcategory(SUBCAT_INPUT_DEMUX)
     add_integer("image-id", -1, ID_TEXT, ID_LONGTEXT, true)

modules/demux/mpeg/es.c

@@ -54,6 +54,7 @@ vlc_module_begin ()
     set_category( CAT_INPUT )
     set_subcategory( SUBCAT_INPUT_DEMUX )
     set_description( N_("MPEG-I/II/4 / A52 / DTS / MLP audio" ) )
+    set_shortname( N_("Audio ES") )
     set_capability( "demux", 155 )
     set_callbacks( OpenAudio, Close )