Updating the pointer to the bottom of the file

when undoing line deletions at file's end.
Patch by Mark Majeres.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5033 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

+2014-06-29  Mark Majeres  <mark@engine12.com>
+	* src/text.c (do_undo): Update the pointer to the bottom of the file
+	when undoing line deletions at file's end.
+
 2014-06-28  Benno Schulenberg  <bensberg@justemail.net>
 	* src/prompt.c (do_statusbar_input): Remove the useless parameters
 	'have_shortcut and 'allow_funcs'; the latter is only ever TRUE.

src/text.c

@@ -486,6 +486,8 @@ void do_undo(void)
 	free(f->data);
 	f->data = data;
 	splice_node(f, t, f->next);
+	if (f == openfile->filebot)
+	    openfile->filebot = t;
 	goto_line_posx(u->lineno, u->begin);
 	break;
     case CUT_EOF: