patch 8.2.0840: search match count wrong when only match is in fold

Problem:    Search match count wrong when only match is in fold.
Solution:   Update search stats when in a closed fold. (Christian Brabandt,
            closes #6160, closes #6152)
diff --git a/src/search.c b/src/search.c
index 0bf4962..7bda6f9 100644
--- a/src/search.c
+++ b/src/search.c
@@ -1592,7 +1592,12 @@
 		&& !shortmess(SHM_SEARCHCOUNT)
 		&& msgbuf != NULL)
 	    search_stat(dirc, &pos, show_top_bot_msg, msgbuf,
-						   (count != 1 || has_offset));
+			(count != 1 || has_offset
+#ifdef FEAT_FOLDING
+		|| (!(fdo_flags & FDO_SEARCH) &&
+		    hasFolding(curwin->w_cursor.lnum, NULL, NULL))
+#endif
+	    ));
 
 	/*
 	 * The search command can be followed by a ';' to do another search.