Fix package publishing script for RPM packages.
Fix package publishing script for RPM packages.

It wasn't working because CURL_ARGS was an empty array. Reorganize
things so there's always something in this array, since that seems like
the easiest option in bash.

apinf/api-umbrella,apinf/api-umbrella,apinf/api-umbrella,apinf/api-umbrella,apinf/api-umbrella,NREL/api-umbrella,NREL/api-umbrella,NREL/api-umbrella,NREL/api-umbrella