[GFS2] Need to ensure that sector_t is 64bits for GFS2

We need to ensure that sector_t is 64bits for GFS2, so that we need to
depend on LBD as well as LSF.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index d147b53..7f7947e 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -1,6 +1,6 @@
 config GFS2_FS
 	tristate "GFS2 file system support"
-	depends on EXPERIMENTAL && (64BIT || LSF)
+	depends on EXPERIMENTAL && (64BIT || (LSF && LBD))
 	select FS_POSIX_ACL
 	select CRC32
 	help