Fixed a bug in the CUDA kernel.
Fixed a bug in the CUDA kernel.

jcowles/OpenSubdiv,lookup1980/OpenSubdiv,shengfuintel/OpenSubdiv,c64kernal/OpenSubdiv,anshuarya/OpenSubdiv,xldeveloper/OpenSubdiv,poljere/OpenSubdiv,anshuarya/OpenSubdiv,shengfuintel/OpenSubdiv,jcowles/OpenSubdiv,lookup1980/OpenSubdiv,nyotis/OpenSubdiv,anshuarya/OpenSubdiv,shengfuintel/OpenSubdiv,takahito-tejima/OpenSubdiv,lookup1980/OpenSubdiv,c64kernal/OpenSubdiv,poljere/OpenSubdiv,takahito-tejima/OpenSubdiv,nyotis/OpenSubdiv,nyotis/OpenSubdiv,jcowles/OpenSubdiv,c64kernal/OpenSubdiv,takahito-tejima/OpenSubdiv,poljere/OpenSubdiv,xldeveloper/OpenSubdiv,xldeveloper/OpenSubdiv