Add a i18n'able name.

It's nice to have a translatable name (and a capital letter) for all modules who have config options

modules/video_filter/canvas.c

@@ -101,6 +101,7 @@ static int alloc_init( filter_t *, void * );
  * Module descriptor
  *****************************************************************************/
 vlc_module_begin ()
+    set_shortname( N_("Canvas") )
     set_description( N_("Automatically resize and pad a video") )
     set_capability( "video filter2", 0 )
     set_callbacks( Activate, Destroy )

modules/video_filter/croppadd.c

@@ -75,6 +75,7 @@ static picture_t *Filter( filter_t *, picture_t * );
  * Module descriptor
  *****************************************************************************/
 vlc_module_begin ()
+    set_shortname( N_("Cropadd") )
     set_description( N_("Video scaling filter") )
     set_capability( "video filter2", 0 )
     set_callbacks( OpenFilter, CloseFilter )