[glib] gtype: Fix typo in API comment

[Benjamin Otte <otte src gnome org>]

commit ebec0dd359eb3a3dc5dbf8ac533a7d89cfc72267
Author: Benjamin Otte <otte redhat com>
Date:   Mon Nov 25 19:56:11 2019 +0100

    gtype: Fix typo in API comment

 gobject/gtype.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gobject/gtype.c b/gobject/gtype.c
index b5ef2d11e..0c3ac2512 100644
--- a/gobject/gtype.c
+++ b/gobject/gtype.c
@@ -3407,7 +3407,7 @@ g_type_depth (GType type)
  * @root_type: immediate parent of the returned type
  *
  * Given a @leaf_type and a @root_type which is contained in its
- * anchestry, return the type that @root_type is the immediate parent
+ * ancestry, return the type that @root_type is the immediate parent
  * of. In other words, this function determines the type that is
  * derived directly from @root_type which is also a base class of
  * @leaf_type.  Given a root type and a leaf type, this function can