[gtk+/gtk-3-22] treeviewcolumn: Make a code snippet compile

[Daniel Boles <dboles src gnome org>]

commit e5240de5bc1152625c775297bdf96f425944067f
Author: Timm Bäder <mail baedert org>
Date:   Wed Jan 3 14:10:22 2018 +0100

    treeviewcolumn: Make a code snippet compile

 gtk/gtktreeviewcolumn.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktreeviewcolumn.c b/gtk/gtktreeviewcolumn.c
index 7b74dce..e6eb3e6 100644
--- a/gtk/gtktreeviewcolumn.c
+++ b/gtk/gtktreeviewcolumn.c
@@ -1609,7 +1609,7 @@ gtk_tree_view_column_new_with_area (GtkCellArea *area)
  * Here’s a simple example:
  * |[<!-- language="C" -->
  *  enum { TEXT_COLUMN, COLOR_COLUMN, N_COLUMNS };
- *  ...
+ *  // ...
  *  {
  *    GtkTreeViewColumn *column;
  *    GtkCellRenderer   *renderer = gtk_cell_renderer_text_new ();