rename groups and group_members tables for MySQL 8 compatibility

Zotlabs/Update/_1221.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Zotlabs\Update;
+
+class _1221 {
+
+	function run() {
+
+		$r1 = q("ALTER table " . TQUOT . 'groups' . TQUOT . " rename to pgrp ");
+		$r2 = q("ALTER table " . TQUOT . 'group_member' . TQUOT . " rename to pgrp_member ");
+
+
+		if($r1 && $r2) {
+			return UPDATE_SUCCESS;
+		}
+		return UPDATE_FAILED;
+
+	}
+
+}