Resource leak in persist_read.c

Reason: In lines 435 and 439, the function returns without calling closing
fptr which was opened at line 399.

Fix: I added fclose(fptr) statements before each of the returns.
Signed-off-by: Panagiotis Vasilikos <panagiotis.vasilikos@alexandra.dk>

src/persist_read.c

@@ -4,12 +4,12 @@ Copyright (c) 2010-2018 Roger Light <roger@atchoo.org>
 All rights reserved. This program and the accompanying materials
 are made available under the terms of the Eclipse Public License v1.0
 and Eclipse Distribution License v1.0 which accompany this distribution.
- 
+
 The Eclipse Public License is available at
    http://www.eclipse.org/legal/epl-v10.html
 and the Eclipse Distribution License is available at
   http://www.eclipse.org/org/documents/edl-v10.php.
- 
+
 Contributors:
    Roger Light - initial implementation and documentation.
 */
@@ -432,10 +432,12 @@ int persist__restore(struct mosquitto_db *db)
 				case DB_CHUNK_CFG:
 					if(db_version == 5){
 						if(persist__chunk_cfg_read_v5(fptr, &cfg_chunk)){
+							fclose(fptr);
 							return 1;
 						}
 					}else{
 						if(persist__chunk_cfg_read_v234(fptr, &cfg_chunk)){
+							fclose(fptr);
 							return 1;
 						}
 					}