Remove unneeded include statements for host.h, add required ones and
update the comments for the remaining include statements.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
The modified definition avoids warnings caused by redundant semicolons.
Now a semicolon is required when using the macro, so a few code locations
had to be updated.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
