[atk] introspection: fix last AtkText methods doc

[Alejandro Piñeiro <apinheiro src gnome org>]

commit a2bff76d7829c4d565490f1664b48dbea8b43401
Author: Alejandro Piñeiro <apinheiro igalia com>
Date:   Sat Mar 9 15:22:13 2019 +0100

    introspection: fix last AtkText methods doc
    
    Fix documentation entry for atk_text_scroll_substring_to_point and
    atk_text_scroll_substring_to so gobject-introspection doesn't fail
    with those methods.

 atk/atktext.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/atk/atktext.c b/atk/atktext.c
index a974cd5..e0b89fa 100644
--- a/atk/atktext.c
+++ b/atk/atktext.c
@@ -1359,7 +1359,7 @@ atk_text_rectangle_contain (AtkTextRectangle *clip,
 }
 
 /**
- * atk_text_scroll_substring_to (AtkText *accessible, AtkScrollType type)
+ * atk_text_scroll_substring_to:
  * @text: an #AtkText
  * @start_offset: start position
  * @end_offset: end position, or -1 for the end of the string.
@@ -1393,7 +1393,7 @@ atk_text_scroll_substring_to (AtkText       *text,
 }
 
 /**
- * atk_text_scroll_substring_to_point (AtkText *accessible, AtkScrollType type, gint x, gint y)
+ * atk_text_scroll_substring_to_point:
  * @text: an #AtkText
  * @start_offset: start position
  * @end_offset: end position, or -1 for the end of the string.