app-arch/tar: Fix test 92

Closes: https://bugs.gentoo.org/641508
Package-Manager: Portage-2.3.19, Repoman-2.3.6

app-arch/tar/files/tar-1.30-fix-test-92.patch

@@ -0,0 +1,13 @@
+http://lists.gnu.org/archive/html/bug-tar/2017-12/msg00027.html
+
+--- a/tests/difflink.at
++++ b/tests/difflink.at
+@@ -21,7 +21,7 @@ mkdir a
+ genfile -f a/x
+ ln -s x a/y
+ ln a/y a/z
+-tar cf a.tar a
++tar cf a.tar a/x a/y a/z
+ rm a/z
+ ln -s x a/z
+ tar df a.tar

app-arch/tar/tar-1.30.ebuild

@@ -21,6 +21,8 @@ DEPEND="${RDEPEND}
 	nls? ( >=sys-devel/gettext-0.10.35 )
 	xattr? ( elibc_glibc? ( sys-apps/attr ) )"
 
+PATCHES=( "${FILESDIR}"/${P}-fix-test-92.patch )
+
 src_prepare() {
 	default