Minor change for consistency between cuda forward and back projection filters
Minor change for consistency between cuda forward and back projection
filters

fabienmomey/RTK,fabienmomey/RTK,SimonRit/RTK,SimonRit/RTK,fabienmomey/RTK,fabienmomey/RTK,SimonRit/RTK,fabienmomey/RTK,SimonRit/RTK,fabienmomey/RTK,fabienmomey/RTK