patch 9.0.1214: file left behind after running tests

Problem:    File left behind after running tests.
Solution:   Delete the file. (Dominique Pellé, closes #11839)

src/testdir/test_autocmd.vim

@@ -640,6 +640,7 @@ func Test_WinScrolled_diff()
         \ }, event)
 
   call StopVimInTerminal(buf)
+  call delete('XscrollEvent')
 endfunc
 
 func Test_WinClosed()

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1214,
 /**/
     1213,
 /**/