Julian Oes f9dbd8c496 C example fixup (#2333) ...

* udp_example: add missing include

* udp_example: return on error

Otherwise we set src_addr_set even though it's still unknown.

2025-08-14 14:33:16 +10:00

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c

C example fixup (#2333)

2025-08-14 14:33:16 +10:00