DARWIN: aarch64: tstatfs.fstypename length error

Summary

record tstatfs in ptypes.inc error (darwin and aarch64)
fstypename in tstatfs should be MFSTYPENAMELEN(16 bytes), but MFSNAMELEN(15 bytes) used
related functions such as getfsstat() broken
FYI: https://opensource.apple.com/source/xnu/xnu-6153.41.3/bsd/sys/mount.h.auto.html

System Information

Operating System: MacOS 12.2.1
CPU / Bitness: M1 / aarch64
FPC Version: FPC 3.2.2

Possible fixes

will commit related PR

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