Use calloc instead of malloc+memset.

src/audio_output/dec.c

@@ -85,10 +85,9 @@ static aout_input_t * DecNew( vlc_object_t * p_this, aout_instance_t * p_aout,
         goto error;
     }
 
-    p_input = malloc(sizeof(aout_input_t));
-    if( p_input == NULL )
+    p_input = calloc( 1, sizeof(aout_input_t));
+    if( !p_input )
         goto error;
-    memset( p_input, 0, sizeof(aout_input_t) );
 
     vlc_mutex_init( &p_input->lock );