patch 8.1.0033: keys to stop Vim in terminal are wrong

Problem:    Keys to stop Vim in terminal are wrong. (Marius Gedminas)
Solution:   Move ":" to before CTRL-U.

Author: brammool

src/testdir/screendump.vim

@@ -84,7 +84,7 @@ func StopVimInTerminal(buf)
 
   " CTRL-O : works both in Normal mode and Insert mode to start a command line.
   " In Command-line it's inserted, the CTRL-U removes it again.
-  call term_sendkeys(a:buf, "\<C-O>\<C-U>:qa!\<cr>")
+  call term_sendkeys(a:buf, "\<C-O>:\<C-U>qa!\<cr>")
 
   call WaitForAssert({-> assert_equal("finished", term_getstatus(a:buf))})
   only!

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    33,
 /**/
     32,
 /**/