mdoc: fix several uses of the Fx macro to point to actual releases.

Found by:  make manlint

lib/libc/iconv/__iconv_get_list.3

@@ -89,7 +89,7 @@ and
 functions are non-standard interfaces, which appeared in
 the implementation of the Citrus Project.
 The iconv implementation of the Citrus Project was adopted in
-.Fx 9 .
+.Fx 9.0 .
 .Sh AUTHORS
 This manual page was written by
 .An Gabor Kovesdan Aq gabor@FreeBSD.org .

lib/libc/iconv/iconv_canonicalize.3

@@ -67,7 +67,7 @@ The
 .Nm
 function is a non-standard extension, which appeared in
 the GNU implementation and was adopted in
-.Fx 9
+.Fx 9.0
 for compatibility's sake.
 .Sh AUTHORS
 This manual page was written by

lib/libc/iconv/iconvctl.3

@@ -175,7 +175,7 @@ The
 .Nm
 facility is a non-standard extension, which appeared in
 the GNU implementation and was adopted in
-.Fx 9
+.Fx 9.0
 for compatibility's sake.
 .Sh AUTHORS
 This manual page was written by

lib/libc/iconv/iconvlist.3

@@ -86,7 +86,7 @@ The
 .Nm
 function is a non-standard extension, which appeared in
 the GNU implementation and was adopted in
-.Fx 9
+.Fx 9.0
 for compatibility's sake.
 .Sh AUTHORS
 This manual page was written by

lib/libc/sys/procctl.2

@@ -139,4 +139,4 @@ command.
 The
 .Fn procctl
 function appeared in
-.Fx 10 .
+.Fx 10.0 .

share/man/man4/nvd.4

@@ -70,7 +70,7 @@ I/O commands.
 The
 .Nm
 driver first appeared in
-.Fx 9.2.
+.Fx 9.2 .
 .Sh AUTHORS
 .An -nosplit
 The

share/man/man4/nvme.4

@@ -151,7 +151,7 @@ and completion queues to the console.
 The
 .Nm
 driver first appeared in
-.Fx 9.2.
+.Fx 9.2 .
 .Sh AUTHORS
 .An -nosplit
 The