Sets the request body of the receiver to the specified data.
Original signature is '- (void)setHTTPBody:(NSData *)data'
Available in Mac OS X v10.2 with Safari 1.0 installed and later.


- data (NSData)
- The new request body for the receiver. This is sent as the message body of the request, as in an HTTP POST request.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)