[Polly] Fix test case fixing the colon.

Commit 573531fb1f529b1413b789fa9eee11c7b41ac83d fixed the colon at the
end of a CHECK line (was a semicolon by mistake). With the check
enabled, it turned out that it was failing. Check for the correct

Also add the missing colon to the next CHECK line.

GitOrigin-RevId: 203c7fab730e7a1252e828ae1aa29c799d0be023
1 file changed