Adds a new parameter to the given GdaParameterList. Note that param is,
when calling this function, is owned by the GdaParameterList, so the
caller should just forget about it and not try to free the parameter once
it's been added to the GdaParameterList.
Adds a new parameter to the given GdaParameterList. Note that param is, when calling this function, is owned by the GdaParameterList, so the caller should just forget about it and not try to free the parameter once it's been added to the GdaParameterList.