patch 8.0.0798: no highlighting in a terminal window with a finished job

Problem:    No highlighting in a terminal window with a finished job.
Solution:   Highlight the text.
diff --git a/src/proto/terminal.pro b/src/proto/terminal.pro
index 70e619a..fbc0d1e 100644
--- a/src/proto/terminal.pro
+++ b/src/proto/terminal.pro
@@ -5,6 +5,9 @@
 int terminal_loop(void);
 void term_channel_closed(channel_T *ch);
 int term_update_window(win_T *wp);
+int term_is_finished(buf_T *buf);
+void term_change_in_curbuf(void);
+int term_get_attr(buf_T *buf, linenr_T lnum, int col);
 char_u *term_get_status_text(term_T *term);
 int set_ref_in_term(int copyID);
 /* vim: set ft=c : */