Fixed false positive ClamAV bug in SaxXmlParser.php

[brammittendorff]

• Fixed false positive ClamAV bug in the SaxXmlParser thanks to @iman61

See Issue:
#56

Scan result after the fix (files 499, malware hits 0, cleaned hits 0, time 9s):

[bram@nerd ~]$ maldet -u && maldet -d
Linux Malware Detect v1.6.1
            (C) 2002-2017, R-fx Networks <proj@rfxn.com>
            (C) 2017, Ryan MacDonald <ryan@rfxn.com>
This program may be freely redistributed under the terms of the GNU GPL v2

maldet(27091): {sigup} performing signature update check...
maldet(27091): {sigup} local signature set is version 2017051530038
maldet(27091): {sigup} latest signature set already installed
Linux Malware Detect v1.6.1
            (C) 2002-2017, R-fx Networks <proj@rfxn.com>
            (C) 2017, Ryan MacDonald <ryan@rfxn.com>
This program may be freely redistributed under the terms of the GNU GPL v2

maldet(27191): {update} checking for available updates...
maldet(27191): {update} hashing install files and checking against server...
/usr/local/maldetect/internals/functions: line 1842: /usr/local/maldetect/internals/VERSION.hash: Permission denied
maldet(27191): {update} latest version already installed.
[bram@nerd ~]$ maldet -a /home/bram/PHPTAL/
Linux Malware Detect v1.6.1
            (C) 2002-2017, R-fx Networks <proj@rfxn.com>
            (C) 2017, Ryan MacDonald <ryan@rfxn.com>
This program may be freely redistributed under the terms of the GNU GPL v2

maldet(27408): {scan} signatures loaded: 16561 (13831 MD5 | 1951 HEX | 779 YARA | 0 USER)
maldet(27408): {scan} building file list for /home/bram/PHPTAL/, this might take awhile...
maldet(27408): {scan} setting nice scheduler priorities for all operations: cpunice 19 , ionice 6
maldet(27408): {scan} file list completed in 0s, found 499 files...
maldet(27408): {scan} found clamav binary at /usr/bin/clamscan, using clamav scanner engine...
maldet(27408): {scan} scan of /home/bram/PHPTAL/ (499 files) in progress...
maldet(27408): {scan} clamscan returned an error, check /usr/local/maldetect/pub/bram/clamscan_log for more details!

maldet(27408): {scan} scan completed on /home/bram/PHPTAL/: files 499, malware hits 0, cleaned hits 0,  time 9s