UnloadScrap
UnloadScrap Write desk scrap from memory to disk
#include <Scrap.h> Scrap Manager
long UnloadScrap( );
returns an Error Code; 0=no error
UnloadScrap dumps the contents of the desk scrap to disk. This can be used
to free up some memory in case of a shortage.
Returns: an operating system Error Code; 0 means no error.

Notes: If the scrap is already on disk, UnloadScrap has no effect. Otherwise, it
is written to the file whose name is pointed to by the global variable
ScrapInfo. scrapName.