patch 8.1.0373: screen updating still slow when 'cursorline' is set

Problem:    Screen updating still slow when 'cursorline' is set.
Solution:   Fix setting last_cursorline.

src/move.c

@@ -153,12 +153,14 @@ redraw_for_cursorline(win_T *wp)
 	    // in the same window.
 	    redrawWinline(wp, last_cursorline, FALSE);
 	    redrawWinline(wp, wp->w_cursor.lnum, FALSE);
-	    last_cursorline = wp->w_cursor.lnum;
 	    redraw_win_later(wp, VALID);
 	}
 	else
 #endif
 	    redraw_win_later(wp, SOME_VALID);
+#ifdef FEAT_SYN_HL
+	last_cursorline = wp->w_cursor.lnum;
+#endif
     }
 }
 

src/version.c

@@ -794,6 +794,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    373,
 /**/
     372,
 /**/