fixed printing of x-min surface current to tallies.out
fixed printing of x-min surface current to tallies.out

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