namespaces.7: ffix

Put a paragraph break above the table to ensure separation from the
preceding paragraph with the man(7) macros from groff >= 1.23 and
forthcoming mandoc(1) release.

Draw a horizontal rule under the column headings.

Link: <https://cvsweb.bsd.lv/mandoc/man_term.c?rev=1.241&content-type=text/x-cvsweb-markup>
Signed-off-by: "G. Branden Robinson" <g.branden.robinson@gmail.com>
Message-ID: <20240901032453.3dmhjz7urk2saizq@illithid>
Signed-off-by: Alejandro Colomar <alx@kernel.org>

man/man7/namespaces.7

diff --git a/man/man7/namespaces.7 b/man/man7/namespaces.7
index cf3436f..5d19d00 100644
--- a/man/man7/namespaces.7
+++ b/man/man7/namespaces.7
@@ -29,10 +29,12 @@
 on the namespace type.
 The last column is a summary of the resources that are isolated by
 the namespace type.
+.P
 .TS
 lB lB lB      lB
 l  lB lw(21n) lx.
 Namespace	Flag	Page	Isolates
+_
 Cgroup	CLONE_NEWCGROUP	\fBcgroup_namespaces\fP(7)	T{
 Cgroup root directory
 T}