Pierrick Bouvier 1ca3482e0a Fix compilation for platforms without pthread ...

Found when compiling ruby for windows-arm64 using msys2

Missing return type for function Init_lock_native_thread
lock_native_thread.c:45:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
   45 | Init_lock_native_thread(void)
      | ^
      | int

2024-02-26 20:45:48 +09:00

..

extconf.rb

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lock_native_thread.c

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