[Ocfs2-tools-devel] The patch: Add helper information for tunefs.

[tao.ma]

For backup super block, tunefs's function tip doesn't include the option 
"--backup-super". So add it.
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Index: tunefs.ocfs2/tunefs.c
===================================================================
--- tunefs.ocfs2/tunefs.c	(revision 1315)
+++ tunefs.ocfs2/tunefs.c	(working copy)
@@ -99,7 +99,7 @@ static void usage(const char *progname)
 {
 	fprintf(stderr, "usage: %s [-J journal-options] [-L volume-label]\n"
 			"\t\t[-M mount-type] [-N number-of-node-slots]\n"
-			"\t\t[-qSUvV] device [blocks-count]\n",
+			"\t\t[-qSUvV] [--backup-super] device [blocks-count]\n",
 			progname);
 	exit(0);
 }