fixed typo for multiplexer

7 jobs for multiplexer
latest
Status Name Job ID Coverage
  External
passed cdash-buildbot

passed cdash-commit

passed ghostflow-branch-check-master

passed vtk-m-dragnipur-osx-shared-debug+32bit_ids+64bit_coords+clang+tbb

00:12:43

passed vtk-m-dragnipur-osx-static-release+64bit_coords+clang+tbb

00:19:08

passed vtk-m-osheim-windows-shared-debug+ninja-vs-2017+tbb

00:25:55

failed vtk-m-osheim-windows-static-release+ninja-vs-2017+tbb

00:14:11