Convert all tabs to spaces -- tabs are evil.

sm5/atacmdnames.c

sm5/atacmdnames.cpp

sm5/atacmds.c

sm5/atacmds.cpp

sm5/atacmds.h

sm5/ataprint.c

sm5/ataprint.cpp

sm5/ataprint.h

sm5/knowndrives.c

sm5/knowndrives.cpp

sm5/os_freebsd.c

sm5/os_freebsd.cpp

sm5/os_freebsd.h

sm5/os_generic.c

sm5/os_generic.cpp

sm5/os_linux.c

sm5/os_linux.cpp

sm5/os_linux.h

sm5/os_solaris.c

sm5/os_solaris.cpp