fixed missing line of code removed by merge
fixed missing line of code removed by merge

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