cmake NETCDF_HAS_DAP2 examples

trilinos/Trilinos cmake/tribits/common_tpls/FindTPLNetcdf.cmake :85 

execute_process(COMMAND "nc-config --has-dap2"
                      OUTPUT_VARIABLE NETCDF_HAS_DAP2)

sandialabs/seacas cmake/tribits/common_tpls/FindTPLNetcdf.cmake :118 

execute_process(COMMAND "nc-config --has-dap2"
                      OUTPUT_VARIABLE NETCDF_HAS_DAP2)