Documentation: ABI/testing: Spelling s/calss/class/
Documentation: ABI/testing: Spelling s/calss/class/

Signed-off-by: Junien Fridrick <01a1f4cee3e9e3af13c1ebf78f5d9a086ac14d68@junien.fridrick.net>
Signed-off-by: Jiri Kosina <ed58f755cc8caaf10c3e8c731a8b86fb8f13d6cb@suse.cz>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs