Playlist: fx missing unlocks (cid #1047159 and #1047160)

src/playlist/item.c

@@ -459,7 +459,11 @@ int playlist_AddInput( playlist_t* p_playlist, input_item_t *p_input,
     PL_LOCK_IF( !b_locked );
 
     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
-    if( p_item == NULL ) return VLC_ENOMEM;
+    if( p_item == NULL )
+    {
+        PL_UNLOCK_IF( !b_locked );
+        return VLC_ENOMEM;
+    }
     AddItem( p_playlist, p_item,
              b_playlist ? p_playlist->p_playing :
                           p_playlist->p_media_library , i_mode, i_pos );
@@ -496,11 +500,13 @@ playlist_item_t * playlist_NodeAddInput( playlist_t *p_playlist,
     PL_LOCK_IF( !b_locked );
 
     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
-    if( p_item == NULL ) return NULL;
+    if( p_item == NULL )
+        goto end;
     AddItem( p_playlist, p_item, p_parent, i_mode, i_pos );
 
     GoAndPreparse( p_playlist, i_mode, p_item );
 
+end:
     PL_UNLOCK_IF( !b_locked );
 
     return p_item;