[GFS2] Fix indent in recovery.c

As per comments from Andrew Morton and Jan Engelhardt, this fixes the
indent and removes the "static" from a variable declaration since its
not needed in this case (now allocated on the stack of the function
in question).

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: Andrew Morton <akpm@osdl.org>

fs/gfs2/recovery.c

@@ -136,7 +136,7 @@ static int get_log_header(struct gfs2_jdesc *jd, unsigned int blk,
 {
 	struct buffer_head *bh;
 	struct gfs2_log_header_host lh;
-static const u32 nothing = 0;
+	const u32 nothing = 0;
 	u32 hash;
 	int error;