[12gevmoller_sim] [EXTERNAL] [JeffersonLab/remoll] 3fc321: fix naming mistake

[cipriangal]

  Branch: refs/heads/feature-target-shield-design
  Home:   https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_JeffersonLab_remoll&d=DwICaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=-0uahHXTLsQsllHBZNHgOynLaY6DUxqehsUJ91-BlNY&m=WjTg-lUVmifei5ZZfJpWZkR9R-kmlnEnBGyJwMzhO0cJhxTGC4CQjVKvRZWSvpnZ&s=JTga07vCwxx_p1WxjvhFbx9rEbLxKiToidDnjMqdRrY&e= 
  Commit: 3fc321de3e37ebf924b8b0d00d8a48b751873377
      https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_JeffersonLab_remoll_commit_3fc321de3e37ebf924b8b0d00d8a48b751873377&d=DwICaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=-0uahHXTLsQsllHBZNHgOynLaY6DUxqehsUJ91-BlNY&m=WjTg-lUVmifei5ZZfJpWZkR9R-kmlnEnBGyJwMzhO0cJhxTGC4CQjVKvRZWSvpnZ&s=N8FkBsJafJUU4OrzsdlS_-AwswjctAu8XqvsUcRoTh8&e= 
  Author: cipriangal <cipriangal at users.noreply.github.com>
  Date:   2021-12-27 (Mon, 27 Dec 2021)

  Changed paths:
    M geometry/upstream/upstreamBeampipe.gdml

  Log Message:
  -----------
  fix naming mistake

Co-authored-by: Zuhal Seyma Demiroglu <zuhal.seyma.demiroglu at cern.ch>