t502: remove return null in CM_Job_Noop
t502: remove return null in CM_Job_Noop

vogdb/cm,alexispeter/CM,fauvel/CM,alexispeter/CM,zazabe/cm,tomaszdurka/CM,tomaszdurka/CM,fauvel/CM,zazabe/cm,mariansollmann/CM,vogdb/cm,cargomedia/CM,vogdb/cm,cargomedia/CM,fauvel/CM,zazabe/cm,mariansollmann/CM,fauvel/CM,njam/CM,alexispeter/CM,fauvel/CM,mariansollmann/CM,tomaszdurka/CM,mariansollmann/CM,christopheschwyzer/CM,fvovan/CM,fvovan/CM,njam/CM,cargomedia/CM,alexispeter/CM,christopheschwyzer/CM,njam/CM,zazabe/cm,fvovan/CM,christopheschwyzer/CM,christopheschwyzer/CM,tomaszdurka/CM,vogdb/cm,cargomedia/CM,fvovan/CM,njam/CM,vogdb/cm,njam/CM,tomaszdurka/CM