Changed printing of spaces in write_tallies.
Changed printing of spaces in write_tallies.

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