Documentation: f2fs: Separate errors mode subtable

errors=%s subtable is shown in htmldocs output as long-running paragraph
instead due to missing separator from its previous paragraph. Add it.

Fixes: b62e71b ("f2fs: support errors=remount-ro|continue|panic mountoption")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Author: bagasme

Documentation/filesystems/f2fs.rst

@@ -360,6 +360,7 @@ errors=%s		 Specify f2fs behavior on critical errors. This supports modes:
 			 panic immediately, continue without doing anything, and remount
 			 the partition in read-only mode. By default it uses "continue"
 			 mode.
+
 			 ====================== =============== =============== ========
 			 mode			continue	remount-ro	panic
 			 ====================== =============== =============== ========