bpf-helpers.7: srcfix

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man7/bpf-helpers.7

@@ -31,63 +31,34 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .in \\n[rst2man-indent\\n[rst2man-indent-level]]u
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 .\" Copyright (C) All BPF authors and contributors from 2014 to present.
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 .\" See git log include/uapi/linux/bpf.h in kernel tree for details.
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 .\" 
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 .\" %%%LICENSE_START(VERBATIM)
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 .\" Permission is granted to make and distribute verbatim copies of this
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 .\" manual provided the copyright notice and this permission notice are
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 .\" preserved on all copies.
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 .\" 
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 .\" Permission is granted to copy and distribute modified versions of this
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 .\" manual under the conditions for verbatim copying, provided that the
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 .\" entire resulting derived work is distributed under the terms of a
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 .\" permission notice identical to this one.
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 .\" 
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 .\" Since the Linux kernel and libraries are constantly changing, this
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 .\" manual page may be incorrect or out-of-date.  The author(s) assume no
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 .\" responsibility for errors or omissions, or for damages resulting from
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 .\" the use of the information contained herein.  The author(s) may not
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 .\" have taken the same level of care in the production of this manual,
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 .\" which is licensed free of charge, as they might when working
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 .\" professionally.
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 .\" 
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 .\" Formatted or processed versions of this manual, if unaccompanied by
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 .\" the source, must acknowledge the copyright and authors of this work.
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 .\" %%%LICENSE_END
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 .\" 
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 .\" Please do not edit this file. It was generated from the documentation
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 .\" located in file include/uapi/linux/bpf.h of the Linux kernel sources
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 .\" (helpers description), and from scripts/bpf_helpers_doc.py in the same
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 .\" repository (header and footer).
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 .SH DESCRIPTION
 .sp
 The extended Berkeley Packet Filter (eBPF) subsystem consists in programs