patch 8.1.2173: searchit() has too many arguments

Problem:    Searchit() has too many arguments.
Solution:   Move optional arguments to a struct.  Add the "wrapped" argument.
diff --git a/src/quickfix.c b/src/quickfix.c
index 36456ed..067dbff 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -3207,8 +3207,7 @@
 	// Move the cursor to the first line in the buffer
 	save_cursor = curwin->w_cursor;
 	curwin->w_cursor.lnum = 0;
-	if (!do_search(NULL, '/', qf_pattern, (long)1,
-		    SEARCH_KEEP, NULL, NULL))
+	if (!do_search(NULL, '/', qf_pattern, (long)1, SEARCH_KEEP, NULL))
 	    curwin->w_cursor = save_cursor;
     }
 }