Move brackets to match proposed C++ styleguide
Move brackets to match proposed C++ styleguide

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