add fix for tar command line (thx matled)

SVN-Revision: 1714

openwrt/package/busybox/patches/160-tar_fix.patch

@@ -0,0 +1,11 @@
+--- busybox-1.00/archival/tar.c.orig	2005-08-13 12:41:09.000000000 +0200
++++ busybox-1.00/archival/tar.c	2005-08-13 12:39:50.000000000 +0200
+@@ -798,7 +798,7 @@
+ 	/* TODO: This is the same as in ar, separate function ? */
+ 	while (optind < argc) {
+ 		char *filename_ptr = last_char_is(argv[optind], '/');
+-		if (filename_ptr) {
++		if (argv[optind] != filename_ptr && filename_ptr) {
+ 			*filename_ptr = '\0';
+ 		}
+ 		tar_handle->accept = llist_add_to(tar_handle->accept, argv[optind]);