patch 8.2.0416: test leaves file behind

Problem:    Test leaves file behind.
Solution:   Delete the file.

src/testdir/test_indent.vim

@@ -134,10 +134,12 @@ func Test_modeline_indent_expr()
   call assert_equal('GetIndent()', &indentexpr)
   exe "normal Oa\nb\n"
   call assert_equal(['  a', '    b'], getline(1, 2))
+
   set modelineexpr&
   delfunc GetIndent
   let &modeline = modeline
   close!
+  call delete('Xfile.txt')
 endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    416,
 /**/
     415,
 /**/