cmake NETCDF_HAS_DAP4 examples

trilinos/Trilinos cmake/tribits/common_tpls/FindTPLNetcdf.cmake :87 

execute_process(COMMAND "nc-config --has-dap4"
                      OUTPUT_VARIABLE NETCDF_HAS_DAP4)

sandialabs/seacas cmake/tribits/common_tpls/FindTPLNetcdf.cmake :120 

execute_process(COMMAND "nc-config --has-dap4"
                      OUTPUT_VARIABLE NETCDF_HAS_DAP4)