lib: textsearch: fix escapes in example code

[ Upstream commit 2105b52e30debe7f19f3218598d8ae777dcc6776 ]

This textsearch code example does not need the '\' escapes and they can
be misleading to someone reading the example. Also, gcc and sparse warn
that the "\%d" is an unknown escape sequence.

Fixes: 5968a70d ("textsearch: fix kernel-doc warnings and add kernel-api section")
Signed-off-by: NRandy Dunlap <rdunlap@infradead.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

lib/textsearch.c

@@ -93,9 +93,9 @@
  *       goto errout;
  *   }
  *
- *   pos = textsearch_find_continuous(conf, \&state, example, strlen(example));
+ *   pos = textsearch_find_continuous(conf, &state, example, strlen(example));
  *   if (pos != UINT_MAX)
- *       panic("Oh my god, dancing chickens at \%d\n", pos);
+ *       panic("Oh my god, dancing chickens at %d\n", pos);
  *
  *   textsearch_destroy(conf);
  */