Fix particle track bug when using Intel compiler.
Fix particle track bug when using Intel compiler.

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