ci/win32: fix echo-ing to binfmt ok, so apparently bash AUTOMATICALLY writes a newline to the end of a file. why does it do this? nobody knows, but we can avoid it by simply adding the `-n` flag

#ifndef __core__array_h
#define __core__array_h

#ifndef ARRAYSIZE
#define ARRAYSIZE(x) \
    (sizeof(x) / sizeof(x[0]))
#endif

#endif // __core__array_h