SFOP fixed, compilation from Matlab.
SFOP fixed, compilation from Matlab.

CVML/vlbenchmarks,vlfeat/vlbenchmarks,vlfeat/vlbenchmarks,andersbll/vlbenchmarks,andersbll/vlbenchmarks,CVML/vlbenchmarks,CVML/vlbenchmarks,vlfeat/vlbenchmarks,andersbll/vlbenchmarks,andersbll/vlbenchmarks