RFR (Trivial) 8230294 runtime/cds/appcds/ClassPathAttr.java failed with jar operation failed

[Ioi Lam]

Sorry I forgot to check in this one file.

Thanks
- Ioi

$ hg diff
diff -r 5ddb746d45e0 
test/hotspot/jtreg/runtime/cds/appcds/test-classes/cpattr6.mf
--- /dev/null
+++ b/test/hotspot/jtreg/runtime/cds/appcds/test-classes/cpattr6.mf
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Class-Path: cpattrX.jar
+Created-By: 1.9.0-internal (Oracle Corporation)