os/tools/check_package_header.py: Fix non-signing build error

Samsung / TizenRT

TizenRT is a lightweight RTOS-based platform to support low-end IoT devices

Apache License 2.0

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os/tools/check_package_header.py: Fix non-signing build error #6205

Closed jylee9613 closed 4 months ago

jylee9613 commented 4 months ago

SIGNING_SIZE is the header size of signing user binary. But if CONFIG_USER_SIGN_PREPEND_SIZE is not set, SIGNING_SIZE value is 'None'. So it causes build error when directly convert SIGNING_SIZE type from string to int. This commit adds the process when the SIGNING_SIZE is none.