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/ex_cmds2.c b/src/ex_cmds2.c
index 8a11fbb..8ca11f0 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -1934,9 +1934,9 @@
 	}
 #endif
 	if (flags & CCGD_EXCMD)
-	    EMSG(_(e_nowrtmsg));
+	    no_write_message();
 	else
-	    EMSG(_(e_nowrtmsg_nobang));
+	    no_write_message_nobang();
 	return TRUE;
     }
     return FALSE;