prototypes.
* sysdeps/hurd/include/hurd/fd.h [!_ISOMAC]: Likewise.
* sysdeps/hurd/include/hurd/signal.h [!_ISOMAC]: Likewise.
+ * sysdeps/arm/sys/ucontext.h: Remove fpregset struct name, unused and
+ non-compliant.
+ * sysdeps/i386/sys/ucontext.h: Likewise.
+ * sysdeps/m68k/sys/ucontext.h: Likewise.
+ * sysdeps/mips/sys/ucontext.h: Likewise.
+ * sysdeps/unix/sysv/linux/hppa/sys/ucontext.h: Likewise.
2018-04-18 Joseph Myers <joseph@codesourcery.com>