[hackers] [sbase] Fix build || sin

[git]

commit 63d7f29bd987b3621838b788f216983529dd5e5a
Author: sin <s...@2f30.org>
Date:   Mon Jan 26 16:14:45 2015 +0000

    Fix build

diff --git a/tar.c b/tar.c
index f84d98a..df24952 100644
--- a/tar.c
+++ b/tar.c
@@ -272,14 +272,14 @@ static void
 usage(void)
 {
        eprintf("usage: tar [-f tarfile] [-C dir] -j|z -x[m]|t\n"
-               "       tar [-f tarfile] [-C dir] -c dir\n"
+               "       tar [-f tarfile] [-C dir] -c dir\n");
 }
 
 int
 main(int argc, char *argv[])
 {
        struct stat st;
-       char *file = NULL, *dir = ".", *ap;
+       char *file = NULL, *dir = ".";
        char mode = '\0';
        FILE *fp;