TextView: Be const-correct when passing a pointer

The TextIter is passed by pointer for efficiency. We neither need to
modify it, nor should we leave it possible to accidentally do so. So,
it should be passed as a pointer-to-const.

diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index a8ad5c2fe0476735f6154ab533e657b39bd78356..03fdf97fcfda34af9c4594d700539efdf709d984 100644 (file)
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -6344,7 +6344,7 @@ move_cursor (GtkTextView       *text_view,
 }
 
 static gboolean
-iter_line_is_rtl (GtkTextIter *iter)
+iter_line_is_rtl (const GtkTextIter *iter)
 {
   GtkTextIter start, end;
   char *text;