Missing `break' statements caused two error messages to become "unkown error" [sic]. Add the missing breaks, and correct the spelling typo.
Missing `break' statements caused two error messages to become
"unkown error" [sic]. Add the missing breaks, and correct the
spelling typo.

PR:		bin/30865
Submitted by:	Dan Lukes <dan@obluda.cz>
MFC after:	1 week

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