patch 8.2.0643: terminal uses brown instead of dark yellow

Problem:    Terminal uses brown instead of dark yellow. (Romain Lafourcade)
Solution:   Use color index 3 instead of 130. (closes #5993)
diff --git a/src/terminal.c b/src/terminal.c
index f7b653a..9d9dd6a 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -847,7 +847,7 @@
 
 	// default to close when the shell exits
 	if (opt.jo_term_finish == NUL)
-	    opt.jo_term_finish = 'c';
+	    opt.jo_term_finish = TL_FINISH_CLOSE;
     }
 
     if (eap->addr_count > 0)
@@ -1930,7 +1930,7 @@
 }
 
 /*
- * Called after the job if finished and Terminal mode is not active:
+ * Called after the job is finished and Terminal mode is not active:
  * Move the vterm contents into the scrollback buffer and free the vterm.
  */
     static void
@@ -2698,7 +2698,7 @@
 	    case  1: return lookup_color( 0, fg, boldp) + 1; // black
 	    case  2: return lookup_color( 4, fg, boldp) + 1; // dark red
 	    case  3: return lookup_color( 2, fg, boldp) + 1; // dark green
-	    case  4: return lookup_color( 6, fg, boldp) + 1; // brown
+	    case  4: return lookup_color( 7, fg, boldp) + 1; // dark yellow
 	    case  5: return lookup_color( 1, fg, boldp) + 1; // dark blue
 	    case  6: return lookup_color( 5, fg, boldp) + 1; // dark magenta
 	    case  7: return lookup_color( 3, fg, boldp) + 1; // dark cyan