Make sure that we set the null terminator for the SIZED_STRING allocated in _yr_base64_get_base64_substring.
Make sure that we set the null terminator for the SIZED_STRING allocated in _yr_base64_get_base64_substring.

wxsBSD/yara,pombredanne/yara,VirusTotal/yara,pombredanne/yara,pombredanne/yara,wxsBSD/yara,VirusTotal/yara,cblichmann/yara,hillu/yara,pombredanne/yara,cblichmann/yara,pombredanne/yara,hillu/yara,cblichmann/yara,wxsBSD/yara,VirusTotal/yara,VirusTotal/yara,hillu/yara,VirusTotal/yara,cblichmann/yara,wxsBSD/yara,cblichmann/yara,wxsBSD/yara,hillu/yara,hillu/yara