[GFS2/DLM] Fix trailing whitespace

As per Andrew Morton's request, removed trailing whitespace.

Cc: Andrew Morton <akpm@osdl.org>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

fs/gfs2/ops_inode.c

@@ -522,7 +522,7 @@ static int gfs2_mknod(struct inode *dir, struct dentry *dentry, int mode,
 	case S_IFSOCK:
 		break;
 	default:
-		return -EOPNOTSUPP;		
+		return -EOPNOTSUPP;
 	};
 
 	gfs2_holder_init(dip->i_gl, 0, 0, ghs);