Fixed compiler errors for MLSampling.C
Fixed compiler errors for MLSampling.C

briadam/queso,roystgnr/queso,briadam/queso,roystgnr/queso,roystgnr/queso,roystgnr/queso,briadam/queso,roystgnr/queso,roystgnr/queso,briadam/queso,briadam/queso