manuals: Fix "missing end of block" errors

These were reported by `mandoc -T lint ...` as errors.

The rendered output (in ascii and html) is not affected by this commit.

Signed-off-by:	Graham Percival <gperciva@tarsnap.com>
Reviewed by:	mhorne
MFC after:	3 days
Sponsored by:	Tarsnap Backup Inc.
Pull Request:	https://github.com/freebsd/freebsd-src/pull/1448

lib/libc/gen/makecontext.3

@@ -152,6 +152,7 @@ via
 .Fn makecontext ;
 portable applications should not rely on the implementation detail that
 it may be possible to pass pointer arguments to functions.
+.Ef
 .Sh HISTORY
 The
 .Fn makecontext

lib/libc/posix1e/acl_cmp_np.3

@@ -63,6 +63,7 @@ to the corresponding value:
 .Bl -tag -width Er
 .It Bq Er EINVAL
 Either first or second argument does not point to a valid ACL.
+.El
 .Sh SEE ALSO
 .Xr acl 3 ,
 .Xr posix1e 3

lib/libc/posix1e/acl_extended_file_np.3

@@ -75,6 +75,7 @@ to the corresponding value:
 .Bl -tag -width Er
 .It Bq Er EACCES
 Search permission is denied for a component of the path prefix.
+.El
 .Sh SEE ALSO
 .Xr extattr_get_file 2 ,
 .Xr posix1e 3

lib/libpathconv/abs2rel.3

@@ -93,6 +93,7 @@ The
 .Fa size
 argument is greater than zero but smaller than the length of the pathname plus 1.
 
+.El
 .Sh SEE ALSO
 .Xr rel2abs 3
 .Sh AUTHORS

lib/libpathconv/rel2abs.3

@@ -90,6 +90,7 @@ argument is zero.
 The
 .Fa size
 argument is greater than zero but smaller than the length of the pathname plus 1
+.El
 .Sh SEE ALSO
 .Xr abs2rel 3
 .Sh AUTHORS

sbin/init/init.8

@@ -396,6 +396,7 @@ back to the default, so that the
 .Pa /etc/rc
 script is executed with the standard shell
 .Pa /bin/sh .
+.El
 .Sh FILES
 .Bl -tag -width /var/log/init.log -compact
 .It Pa /dev/console

sbin/pflowctl/pflowctl.8

@@ -83,6 +83,7 @@ and 10.0.0.2:1234 as destination:
 .Bd -literal -offset indent
 # pflowctl -s pflow0 src 10.0.0.1 dst 10.0.0.2:1234
 .Ed
+.El
 .Sh SEE ALSO
 .Xr netintro 4 ,
 .Xr pf 4 ,

share/man/man4/ahd.4

@@ -119,6 +119,7 @@ units 0, 2, and 5. A value of 0x8a enables it for units 1, 3, and 7.
 Note that controllers can be dynamically configured through a device hint
 documented below.
 
+.Ed
 .Sh BOOT OPTIONS
 The following options are switchable by setting values in
 .Pa /boot/device.hints .

share/man/man4/splash.4

@@ -253,6 +253,7 @@ and include the following lines:
 .Bd -literal -offset indent
 splash="/boot/images/freebsd-logo-rev.png"
 boot_mute="YES"
+.Ed
 .\".Sh DIAGNOSTICS
 .Sh SEE ALSO
 .Xr vidcontrol 1 ,