Fixes #2726: System mail notification subjects ending with =0A.
Fixes #2726: System mail notification subjects ending with =0A.

monotek/zammad,zammad/zammad,monotek/zammad,monotek/zammad,monotek/zammad,zammad/zammad,zammad/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad