* @param tree Tree which must be destroyed
*/
void lttv_filter_tree_destroy(LttvFilter* tree) {
+
+ if(tree == NULL) return;
if(tree->left == LTTV_TREE_LEAF) g_free(tree->l_child.leaf);
else if(tree->left == LTTV_TREE_NODE) lttv_filter_tree_destroy(tree->l_child.t);