ataprint.cpp: fix bad indent introduced in previous commit, revert devstat filtering

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk/smartmontools@3980 4ea69e1a-61f1-4043-bf83-b5c94c648137
ataprint.cpp: fix incorrect memory allocation for devstat printing introduced in r3979

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk/smartmontools@3981 4ea69e1a-61f1-4043-bf83-b5c94c648137
os_darwin.cpp: fix style

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk/smartmontools@3982 4ea69e1a-61f1-4043-bf83-b5c94c648137
'-l devstat' - workaround for buggy firmware by provided Christian Franke (in prev. commit)

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk/smartmontools@3983 4ea69e1a-61f1-4043-bf83-b5c94c648137