Spell parameter self correctly
Spell parameter self correctly

Since self was never used, this misspelling was benign.

Signed-off-by: mulhern <7b51bcf507bcd7afb72bf8663752c0ddbeb517f6@redhat.com>

rhinstaller/blivet,jkonecny12/blivet,rvykydal/blivet,rvykydal/blivet,vpodzime/blivet,vojtechtrefny/blivet,dwlehman/blivet,AdamWill/blivet,jkonecny12/blivet,vpodzime/blivet,AdamWill/blivet,vojtechtrefny/blivet,rhinstaller/blivet,dwlehman/blivet