1 files changed, 1 insertions, 1 deletions

diff --git a/src/dispextern.h b/src/dispextern.h
index 04fa780b122..f737b54109e 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -2158,7 +2158,7 @@ extern int tool_bar_button_relief;
 
 struct glyph_row *row_containing_pos P_ ((struct window *, int,
                                           struct glyph_row *,
-                                          struct glyph_row *));
+                                          struct glyph_row *, int));
 int string_buffer_position P_ ((struct window *, Lisp_Object, int));
 int line_bottom_y P_ ((struct it *));
 int display_prop_intangible_p P_ ((Lisp_Object));