result_free
Description:
Frees the result and its internal data.
 Does nothing, when the result is null.
Parameters:
| this | 
           a SExp  | 
      
| result | 
           a SExpResult to free  | 
      
Frees the result and its internal data.
 Does nothing, when the result is null.
| this | 
           a SExp  | 
      
| result | 
           a SExpResult to free  |