Fix #283, pass correct parameter in Abandon cmd function

[havencarlson]

Checklist (Please check before submitting)

• [X] I reviewed the Contributing Guide.
• [X] I signed and emailed the appropriate Contributor License Agreement to GSFC-SoftwareRelease@mail.nasa.gov and copied cfs-program@lists.nasa.gov.

Describe the contribution Fix #283, CF_CmdCancel_Txn was being passed to CF_TsnChanAction() instead of CF_CmdAbandon_Txn

Testing performed Ran unit tests

Expected behavior changes When the abandon command is called, it will run CF_CmdAbandon_Txn

System(s) tested on

• OS:Ubuntu 18.04

Contributor Info - All information REQUIRED for consideration of pull request Haven Carlson - NASA