The IT87 chip has 3 Fan sensors.  Fix the loop invariant and add a missing break statement.  From Stephan Leemburg.  OK deraadt@
The IT87 chip has 3 Fan sensors.  Fix the loop invariant and add
a missing break statement.  From Stephan Leemburg.  OK deraadt@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars