From: Daniel Lezcano <daniel.lezcano@free.fr>

Fixed the type of the opt variable. On the powerpc architecture, that leads
to an infinite loop in the getopt inspection because getopt returns 255
instead of -1 as expected. The opt variable should be an int and not a char.
Signed-off-by: Daniel Lezcano <daniel.lezcano@free.fr>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>