patch 8.0.0953: get "no write since last change" error in terminal window

Problem:    Get "no write since last change" error in terminal window.
Solution:   Use another message when closing a terminal window. Make ":quit!"
            also end the job.
diff --git a/src/terminal.c b/src/terminal.c
index d482d19..304a7ba 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -267,7 +267,7 @@
 	/* Create a new buffer in the current window. */
 	if (!can_abandon(curbuf, forceit))
 	{
-	    EMSG(_(e_nowrtmsg));
+	    no_write_message();
 	    vim_free(term);
 	    return;
 	}