DragonFlyBSD/src 3334604sys/sys signal.h _siginfo.h

<signal.h>/<sys/_siginfo.h>: Some fixes after my recent commits.

* In <sys/_siginfo.h>, include just <machine/stdint.h>. No more is
  needed.

* In <signal.h>, continue to use struct __siginfo in struct sigaction,
  primarily to deal with the case where __POSIX_VISIBLE is <199309,
  of which for example graphics/png is one.

Reported-by: zrj
DeltaFile
+3-1sys/sys/signal.h
+1-1sys/sys/_siginfo.h
+4-22 files

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