added empty arg list on subroutines
added empty arg list on subroutines

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