[midPoint-git] [Evolveum/midpoint] a2bcad: npe checks (MID-5872 fix attempt)

[KaterynaHonchar]

  Branch: refs/heads/support-4.0
  Home:   https://github.com/Evolveum/midpoint
  Commit: a2bcadf1e336e1568c3c1ca1044b362dd8ef3355
      https://github.com/Evolveum/midpoint/commit/a2bcadf1e336e1568c3c1ca1044b362dd8ef3355
  Author: kate <honchar at evolveum.com>
  Date:   2019-12-06 (Fri, 06 Dec 2019)

  Changed paths:
    M infra/prism-impl/src/main/java/com/evolveum/midpoint/prism/impl/PrismReferenceValueImpl.java

  Log Message:
  -----------
  npe checks (MID-5872 fix attempt)