Replaced nptotal with total (et al) per the request by @wbinventor
Replaced nptotal with total (et al) per the request by @wbinventor

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