wasm: Pass nullterminator included lengh into WAMR runtime
wasm: Pass nullterminator included lengh into WAMR runtime

tag_len and record_len include null-terminator omitted length but we
should pass length which includes null-terminator included into
wasm-micro-runtime.

Signed-off-by: Hiroshi Hatake <a476a6e5b5893650242fbf0b2961500a9bd9032e@calyptia.com>

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