mediakeys.go example: Fix error handling.#433
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The panic re-uses the `err` variable defined in line 11 and at this point guaranteed to be nil - instead of using the call.Err just checked by the if. This change fixes that problem.
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The panic re-uses the
errvariable defined in line 11 and at this point guaranteed to be nil - instead of using the call.Err just checked by the if. This change fixes that problem.