Fix backward search bug exposed by the unit test

When searching with multiple lines first_line_start/end were initialized
to the last line start/end iters

diff --git a/gtk/gtktextiter.c b/gtk/gtktextiter.c
index 13a4e370b7aa39b878f4f56a7b184deeca5eb59a..380778f90c8e4e483541e14b510b8dac58e9afb4 100644 (file)
--- a/gtk/gtktextiter.c
+++ b/gtk/gtktextiter.c
@@ -4803,6 +4803,8 @@ lines_window_init (LinesWindow       *win,
         }
 
       win->lines[i] = line_text;
+      win->first_line_start = line_start;
+      win->first_line_end = line_end;
 
       line_end = line_start;
       gtk_text_iter_backward_line (&line_start);