QInt is a high-level data type that can be used to represent integers,
internally it stores an int64_t value.

The following functions are available:

- qint_from_int() Create a new QInt
- qint_get_int()  Get the stored integer

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>