include/linux/list.h: fix list_is_first() kernel-doc

Fix typo of kernel-doc parameter notation (there should be no space
between '@' and the parameter name).

Also fixes bogus kernel-doc notation output formatting.

Link: http://lkml.kernel.org/r/ddce8b80-9a8a-d52d-3546-87b2211c089a@infradead.org


Fixes: 70b44595eafe9 ("mm, compaction: use free lists to quickly locate a migration source")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Change-Id: Ie82725e2f5aed79d2a83afaabf5faaf64f3e4762
Git-commit: b736523f0759d1debeb56f8e0c4c87a2bea0fb23
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git


[vinmenon@codeaurora.org: trivial merge conflict fixes]
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>