[hackers] [sbase] Fix missing '-' in usage || sin

[git]

commit 16cf92119f99d51c975ca2109e14cdb777b00ede
Author: sin <s...@2f30.org>
Date:   Wed Apr 9 18:20:24 2014 +0100

    Fix missing '-' in usage

diff --git a/xargs.c b/xargs.c
index 564eee8..ada00b6 100644
--- a/xargs.c
+++ b/xargs.c
@@ -34,7 +34,7 @@ static int rflag = 0, nflag = 0;
 static void
 usage(void)
 {
-       eprintf("usage: %s [n maxargs] [-r] [-E eofstr] [cmd [arg...]]
", argv0);
+       eprintf("usage: %s [-n maxargs] [-r] [-E eofstr] [cmd [arg...]]
", argv0);
 }
 
 int