Such errors may make sense for specific formats, but general parsing
logic shouldn't be treating these as errors regardless of the error
recognition mode.

Fixes loading of the following wave when using -err_detect explode:
https://cs.chromium.org/chromium/src/third_party/blink/web_tests/external/wpt/webaudio/resources/4ch-440.wavSigned-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>