Fixed crash, caused by flagged for autofixed width tree columns

source/libublsettings-gtk3-tree-view.c

@@ -158,9 +158,12 @@ struct fixed_info {
         int size;
     };
 
+void yon_on_fixed_changed(GtkTreeViewColumn *self, GParamSpec*,struct fixed_info *info);
 void on_row_fixed_changed(GtkTreeModel* self, GtkTreePath* path, GtkTreeIter* iter, struct fixed_info *info){
     for (int i=0;i<info->size;i++){
+        g_signal_handlers_block_by_func(G_OBJECT(gtk_tree_view_get_column(GTK_TREE_VIEW(info->target),info->columns[i])),yon_on_fixed_changed,info);
         yon_gtk_tree_view_column_set_fixed_size(GTK_TREE_VIEW(info->target),info->columns[i]);
+        g_signal_handlers_unblock_by_func(G_OBJECT(gtk_tree_view_get_column(GTK_TREE_VIEW(info->target),info->columns[i])),yon_on_fixed_changed,info);
     }
 
 }
@@ -168,7 +171,9 @@ void on_row_fixed_changed(GtkTreeModel* self, GtkTreePath* path, GtkTreeIter* it
 void on_row_fixed_deleted(GtkTreeModel* self, GtkTreePath* path, struct fixed_info *info){
 
     for (int i=0;i<info->size;i++){
+        g_signal_handlers_block_by_func(G_OBJECT(gtk_tree_view_get_column(GTK_TREE_VIEW(info->target),info->columns[i])),yon_on_fixed_changed,info);
         yon_gtk_tree_view_column_set_fixed_size(GTK_TREE_VIEW(info->target),info->columns[i]);
+        g_signal_handlers_unblock_by_func(G_OBJECT(gtk_tree_view_get_column(GTK_TREE_VIEW(info->target),info->columns[i])),yon_on_fixed_changed,info);
     }
 }
 
@@ -190,6 +195,7 @@ void yon_on_fixed_changed(GtkTreeViewColumn *self, GParamSpec*,struct fixed_info
                 free(info->columns);
                 free(info);
             }
+                g_signal_handlers_disconnect_by_func(self,yon_on_fixed_changed,info);
             return;
         }
     }