[gtksourceview] Don't go forward_to_line_end if already at line end to extend selection

[Jesse van den Kieboom <jessevdk src gnome org>]

commit ee9e8e37a803954478cbc40b71e063168d8804fa
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Fri Apr 9 22:19:43 2010 +0200

    Don't go forward_to_line_end if already at line end to extend selection

 gtksourceview/gtksourceview.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gtksourceview/gtksourceview.c b/gtksourceview/gtksourceview.c
index fce4b68..8eb058d 100644
--- a/gtksourceview/gtksourceview.c
+++ b/gtksourceview/gtksourceview.c
@@ -1219,7 +1219,9 @@ extend_selection_to_line (GtkTextBuffer *buf, GtkTextIter *line_start)
 	gtk_text_buffer_get_selection_bounds (buf, &start, &end);
 
 	line_end = *line_start;
-	gtk_text_iter_forward_to_line_end (&line_end);
+
+	if (!gtk_text_iter_ends_line (&line_end))
+		gtk_text_iter_forward_to_line_end (&line_end);
 
 	if (gtk_text_iter_compare (&start, line_start) < 0)
 	{