[jdk17u-dev] RFR: 8272815: jpackage --type rpm produces an error: Invalid or unsupported type: [null]

[Goetz Lindenmaier]

I backport this for parity with 17.0.5-oracle.

-------------

Commit messages:
 - Backport a3ca770227065aecc2df9f9c711687fd8ec5d34e

Changes: https://git.openjdk.org/jdk17u-dev/pull/551/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=551&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8272815
  Stats: 18 lines in 2 files changed: 2 ins; 4 del; 12 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/551.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/551/head:pull/551

PR: https://git.openjdk.org/jdk17u-dev/pull/551