fix for -Wstrict-prototypes

openwch / ch32v003

CH32V003 is an ultra-cheap RISC-V MCU with 2KB SRAM, 16KB flash, and up to 18 GPIOs that sells for under $0.10

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Open lzace817 opened 8 months ago

lzace817 commented 8 months ago

This PR fix warnings when compiled with -Wstrict-prototypes.