fix :tip column type in list dialog

src/list.c

@@ -437,6 +437,9 @@ add_columns ()
             gtk_tree_view_column_add_attribute (column, renderer, "font", font_col);
           gtk_tree_view_column_set_sort_column_id (column, i);
           gtk_tree_view_column_set_resizable (column, TRUE);
+          
+          if (col->type == YAD_COLUMN_TIP)
+            options.list_data.tooltip_column = i + 1;
           break;
         }
       g_object_set_data (G_OBJECT (renderer), "column", GINT_TO_POINTER (i));

src/option.c

@@ -753,6 +753,8 @@ add_column (const gchar * option_name, const gchar * value, gpointer data, GErro
             col->type = YAD_COLUMN_BAR;
           else if (strcasecmp (cstr[1], "SZ") == 0)
             col->type = YAD_COLUMN_SIZE;
+          else if (strcasecmp (cstr[1], "TIP") == 0)
+            col->type = YAD_COLUMN_TIP;
           else
             col->type = YAD_COLUMN_TEXT;
         }

src/yad.h

@@ -131,6 +131,7 @@ typedef enum {
   YAD_COLUMN_RADIO,
   YAD_COLUMN_BAR,
   YAD_COLUMN_IMAGE,
+  YAD_COLUMN_TIP,
   YAD_COLUMN_HIDDEN,
   YAD_COLUMN_ATTR_FORE,
   YAD_COLUMN_ATTR_BACK,