remove instances where a pointer is used in a foreach loop for value (#7108)

core/groups/group_members.php

@@ -119,7 +119,7 @@
 
 //add group_member to the users array
 	if (!empty($users)) {
-		foreach ($users as &$field) {
+		foreach ($users as $field) {
 			$field['group_member'] = 'false';
 			if (!empty($user_groups)) {
 				foreach($user_groups as $row) {
@@ -196,7 +196,7 @@
 
 	if (is_array($user_groups) && @sizeof($user_groups) != 0) {
 		$x = 0;
-		foreach ($user_groups as &$row) {
+		foreach ($user_groups as $row) {
 			echo "<tr class='list-row' href='".$list_row_url."'>";
 			if (permission_exists('group_member_delete')) {
 				echo "	<td class='checkbox'>\n";