patch 8.2.2827: test file was not deleted

Problem:    Test file was not deleted.
Solution:   Uncomment the delete() call. (Dominique Pellé, closes #8172)
diff --git a/src/testdir/test_mksession.vim b/src/testdir/test_mksession.vim
index e876f98..66e6e29 100644
--- a/src/testdir/test_mksession.vim
+++ b/src/testdir/test_mksession.vim
@@ -187,9 +187,9 @@
   mksession! Xtest_mks_zero
   set winminheight&
   let text = readfile('Xtest_mks_zero')->join()
-  "call delete('Xtest_mks_zero')
+  call delete('Xtest_mks_zero')
   close
-  " check there is no devide by zero
+  " check there is no divide by zero
   call assert_notmatch('/ 0[^0-9]', text)
 endfunc
 
diff --git a/src/version.c b/src/version.c
index 82875de..f20c009 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2827,
+/**/
     2826,
 /**/
     2825,