[Image-SIG] Sun Rasterfile support broken in 1.0b1

[Charles G Waldman]

Fredrik Lundh writes:

 > try changing:
 > 
 > 	    if self.mode == "L":
 > 		self.mode = "P"
 > 
 > to:
 > 
 > if self.mode == "L":
 > self.mode = rawmode = "P"

That indeed fixes the problem with Sun Rasterfiles.  
Thanks.