patch 8.2.3737: test fails without the 'autochdir' option

Problem:    Test fails without the 'autochdir' option.
Solution:   Check that the option is available. (Dominique Pellé, closes #9272)
diff --git a/src/testdir/test_cd.vim b/src/testdir/test_cd.vim
index 81ed491..566e9f6 100644
--- a/src/testdir/test_cd.vim
+++ b/src/testdir/test_cd.vim
@@ -226,6 +226,8 @@
 endfunc
 
 func Test_getcwd_actual_dir()
+  CheckOption autochdir
+
   let startdir = getcwd()
   call mkdir('Xactual')
   call test_autochdir()
diff --git a/src/version.c b/src/version.c
index 0274323..f1d0e87 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3737,
+/**/
     3736,
 /**/
     3735,