Added missing import.
Added missing import.

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