patch 8.2.3745: autochdir test fails without the +channel feature

Problem:    Autochdir test fails without the +channel feature.
Solution:   Remove the ch_logfile() call. (Dominique Pellé, closes #9281)

src/testdir/test_autochdir.vim

@@ -26,7 +26,6 @@ func Test_set_filename()
 endfunc
 
 func Test_set_filename_other_window()
-  call ch_logfile('logfile', 'w')
   let cwd = getcwd()
   call test_autochdir()
   call mkdir('Xa')

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3745,
 /**/
     3744,
 /**/