[gedit] spell-utils: mark a parameter as const in skip_no_spell_check()

[Sébastien Wilmet <swilmet src gnome org>]

commit 39b0017644ece1da6522458e902c8c22b7448b2c
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Aug 2 13:24:47 2015 +0200

    spell-utils: mark a parameter as const in skip_no_spell_check()
    
    The @end parameter isn't modified, so it's clearer with const.

 plugins/spell/gedit-spell-utils.c |    8 ++++++--
 plugins/spell/gedit-spell-utils.h |    4 ++--
 2 files changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/plugins/spell/gedit-spell-utils.c b/plugins/spell/gedit-spell-utils.c
index 7c59436..d6e2ec6 100644
--- a/plugins/spell/gedit-spell-utils.c
+++ b/plugins/spell/gedit-spell-utils.c
@@ -3,6 +3,7 @@
  * This file is part of gedit
  *
  * Copyright (C) 2010 - Jesse van den Kieboom
+ * Copyright (C) 2015 - Sébastien Wilmet
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -48,9 +49,12 @@ gedit_spell_utils_is_digit (const gchar *text)
        return TRUE;
 }
 
+/* Returns %TRUE if @start is moved to the start of a word to spell check,
+ * located before @end.
+ */
 gboolean
-gedit_spell_utils_skip_no_spell_check (GtkTextIter *start,
-                                       GtkTextIter *end)
+gedit_spell_utils_skip_no_spell_check (GtkTextIter       *start,
+                                      const GtkTextIter *end)
 {
        GtkSourceBuffer *buffer = GTK_SOURCE_BUFFER (gtk_text_iter_get_buffer (start));
 
diff --git a/plugins/spell/gedit-spell-utils.h b/plugins/spell/gedit-spell-utils.h
index e0dce2c..f66b957 100644
--- a/plugins/spell/gedit-spell-utils.h
+++ b/plugins/spell/gedit-spell-utils.h
@@ -27,8 +27,8 @@ G_BEGIN_DECLS
 
 gboolean       gedit_spell_utils_is_digit              (const gchar *text);
 
-gboolean       gedit_spell_utils_skip_no_spell_check   (GtkTextIter *start,
-                                                        GtkTextIter *end);
+gboolean       gedit_spell_utils_skip_no_spell_check   (GtkTextIter       *start,
+                                                        const GtkTextIter *end);
 
 G_END_DECLS