Fix a resource leak on hostapd maclist parsing error path

The open file needs to be closed in error case. The conversion to using
a new helper function (hostapd_add_acl_maclist) somehow managed to
remove the neede fclose(f) call. Bring it back to fix this.

Fixes: 3988046de538 ("hostapd: Dynamic MAC ACL management over control interface")
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

hostapd/config_file.c

@@ -217,8 +217,10 @@ static int hostapd_config_read_maclist(const char *fname,
 		if (*pos != '\0')
 			vlan_id = atoi(pos);
 
-		if (hostapd_add_acl_maclist(acl, num, vlan_id, addr) < 0)
+		if (hostapd_add_acl_maclist(acl, num, vlan_id, addr) < 0) {
+			fclose(f);
 			return -1;
+		}
 	}
 
 	fclose(f);