GFS2: Move rg_free from gfs2_rgrpd_host to gfs2_rgrpd

The second of three fields which need to move, in order
to remove the struct gfs2_rgrpd_host.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 869ac83..f8d9773 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -69,7 +69,6 @@
 };
 
 struct gfs2_rgrp_host {
-	u32 rg_free;
 	u32 rg_dinodes;
 };
 
@@ -82,6 +81,7 @@
 	u32 rd_length;			/* length of rgrp header in fs blocks */
 	u32 rd_data;			/* num of data blocks in rgrp */
 	u32 rd_bitbytes;		/* number of bytes in data bitmaps */
+	u32 rd_free;
 	struct gfs2_rgrp_host rd_rg;
 	u64 rd_igeneration;
 	struct gfs2_bitmap *rd_bits;