Protect writing track.h5 files by !$omp critical
Protect writing track.h5 files by !$omp critical

walshjon/openmc,samuelshaner/openmc,lilulu/openmc,smharper/openmc,lilulu/openmc,shikhar413/openmc,amandalund/openmc,samuelshaner/openmc,shikhar413/openmc,wbinventor/openmc,johnnyliu27/openmc,wbinventor/openmc,smharper/openmc,bhermanmit/openmc,walshjon/openmc,johnnyliu27/openmc,lilulu/openmc,mit-crpg/openmc,wbinventor/openmc,kellyrowland/openmc,wbinventor/openmc,amandalund/openmc,paulromano/openmc,kellyrowland/openmc,mjlong/openmc,mit-crpg/openmc,shikhar413/openmc,smharper/openmc,amandalund/openmc,mjlong/openmc,johnnyliu27/openmc,liangjg/openmc,mit-crpg/openmc,samuelshaner/openmc,johnnyliu27/openmc,amandalund/openmc,liangjg/openmc,bhermanmit/openmc,paulromano/openmc,walshjon/openmc,liangjg/openmc,paulromano/openmc,mit-crpg/openmc,paulromano/openmc,liangjg/openmc,walshjon/openmc,samuelshaner/openmc,smharper/openmc,shikhar413/openmc