NDG_FREEPROV - Free a structure holding provenance information

Description:

This routine frees the resources used to hold a provenance structure.

Invocation:

CALL NDG_FREEPROV( IPROV, STATUS )

Arguments:

IPROV = INTEGER (Given and Returned)

An identifier for a structure holding the provenance information read from an NDF, as returned by NDG_READPROV. Returned holding NDG__NULL.

STATUS = INTEGER (Given and Returned)

The global status.

Notes:

• This function attempts to execute even if an error has already occurred.