asm-generic fixes for 6.11, part 2

There are two more changes to the syscall.tbl conversion: the
 '__NR_newfstat' in the previous bugfix was a mistake and gets reverted
 now, after triple-checking that the contents are now back to what they
 were on all architectures. The __NR_nfsservctl definition is not really
 needed but came up in the same discussion as it had previously been
 defined in uapi/asm-generic/unistd.h and tested for in user space.
 
 TThere are a few more symbols that used to be defined in the old
 unistd.h file, but that are never defined on any other architecture
 using syscall.tbl format. These used to be needed inside of the kernel:
 
    __NR_syscalls
    __NR_arch_specific_syscall
    __NR3264_*
 
 Searching for these on https://codesearch.debian.net/ shows a few packages
 (rustc, golang, clamav, libseccomp, librsvg, strace) that duplicate all
 the macros from asm/unistd.h, but nothing that actually uses the macros,
 so I concluded that they are fine to omit after all.
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Merge tag 'asm-generic-fixes-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic fixes from Arnd Bergmann:
 "There are two more changes to the syscall.tbl conversion: the
  '__NR_newfstat' in the previous bugfix was a mistake and gets reverted
  now, after triple-checking that the contents are now back to what they
  were on all architectures. The __NR_nfsservctl definition is not
  really needed but came up in the same discussion as it had previously
  been defined in uapi/asm-generic/unistd.h and tested for in user
  space.

  There are a few more symbols that used to be defined in the old
  unistd.h file, but that are never defined on any other architecture
  using syscall.tbl format. These used to be needed inside of the
  kernel:

     __NR_syscalls
     __NR_arch_specific_syscall
     __NR3264_*

  Searching for these on https://codesearch.debian.net/ shows a few
  packages (rustc, golang, clamav, libseccomp, librsvg, strace) that
  duplicate all the macros from asm/unistd.h, but nothing that actually
  uses the macros, so I concluded that they are fine to omit after all"

* tag 'asm-generic-fixes-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  syscalls: add back legacy __NR_nfsservctl macro
  syscalls: fix fstat() entry again

scripts/syscall.tbl

@@ -53,6 +53,7 @@
 39	common	umount2				sys_umount
 40	common	mount				sys_mount
 41	common	pivot_root			sys_pivot_root
+42	common	nfsservctl			sys_ni_syscall
 43	32	statfs64			sys_statfs64			compat_sys_statfs64
 43	64	statfs				sys_statfs
 44	32	fstatfs64			sys_fstatfs64			compat_sys_fstatfs64
@@ -100,7 +101,7 @@
 79	stat64	fstatat64			sys_fstatat64
 79	64	newfstatat			sys_newfstatat
 80	stat64	fstat64				sys_fstat64
-80	64	newfstat			sys_newfstat
+80	64	fstat				sys_newfstat
 81	common	sync				sys_sync
 82	common	fsync				sys_fsync
 83	common	fdatasync			sys_fdatasync