Merge branch '3.1.x'

* 3.1.x:
  [ticket/13819] Add missing sql_freeresult() to files in includes/

Conflicts:
	phpBB/includes/acp/acp_database.php

phpBB/includes/mcp/mcp_reports.php

@@ -491,6 +491,7 @@ function close_report($report_id_list, $mode, $action, $pm = false)
 	{
 		$post_id_list[] = $row[$id_column];
 	}
+	$db->sql_freeresult($result);
 	$post_id_list = array_unique($post_id_list);
 
 	if ($pm)

phpBB/phpbb/db/extractor/postgres_extractor.php

@@ -72,6 +72,7 @@ class postgres_extractor extends base_extractor
 				$this->flush($sql_data . ";\n");
 			}
 		}
+		$this->db->sql_freeresult($result);
 
 		$sql_data = '-- Table: ' . $table_name . "\n";
 		$sql_data .= "DROP TABLE $table_name;\n";