lavd/v4l2: fix error logic when enumerating standards

Set ret to 0 before enumerating standards in v4l2_set_parameters(), avoid
use of uninitialized variable.

Regression introduced in 60950adc18.
pull/9/merge
Stefano Sabatini 12 years ago
parent 0e3dacb11e
commit f0703b6cba
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