accept any tarball compression in 814139 testcase

Travis still uses a dpkg version which defaults to gz and as which
compression is picked isn't all to important as long as one is just
accept any.

Git-Dch: Ignore

test/integration/test-bug-814139-pickup-of-different-cache-states

@@ -24,8 +24,8 @@ testrun() {
 	testdpkginstalled 'bar'
 	cleanup
 	testsuccess aptget source foo
-	testsuccess test -s foo_1.tar.xz -a -s foo_1.dsc
-	rm foo_1.tar.xz foo_1.dsc
+	testsuccess test -s foo_1.tar.* -a -s foo_1.dsc
+	rm foo_1.tar.* foo_1.dsc
 	testsuccess test -d foo-1
 	rm -rf foo-1
 	cleanup