smartctl.cpp, scsiprint.cpp: extend --log=defects option so it works for the...

smartctl.cpp, scsiprint.cpp: extend --log=defects option so it works for the SCSI Pending Defects log page; add --log=envrep option to output Environmental Reporting log page; add: --log=zdevstat option to output Zone block device statistics log page; fix spelling

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk@5333 4ea69e1a-61f1-4043-bf83-b5c94c648137