[gtk+] gtktreeviewcolumn: Fix typo in typedef documentation

[Philip Withnall <pwithnall src gnome org>]

commit 506426a30e7bd43f5a51752b499ed807a5866bea
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Fri Sep 23 21:10:13 2016 -0700

    gtktreeviewcolumn: Fix typo in typedef documentation

 gtk/gtktreeviewcolumn.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktreeviewcolumn.h b/gtk/gtktreeviewcolumn.h
index b91092e..97649dc 100644
--- a/gtk/gtktreeviewcolumn.h
+++ b/gtk/gtktreeviewcolumn.h
@@ -71,7 +71,7 @@ typedef enum
  * straight mapping between the cell and the model.  This is useful for
  * customizing the cell renderer.  For example, a function might get an
  * integer from the @tree_model, and render it to the “text” attribute of
- * “cell” by converting it to its written equivilent.  This is set by
+ * “cell” by converting it to its written equivalent.  This is set by
  * calling gtk_tree_view_column_set_cell_data_func()
  */
 typedef void (* GtkTreeCellDataFunc) (GtkTreeViewColumn *tree_column,