Fix a bug induced in 0c2e393c3274da40e228a157a483c03380492092
Fix a bug induced in 0c2e393c3274da40e228a157a483c03380492092

ext-tx on derflr: +1.841% (was +1.756)

Change-Id: Ic8c59a6fa3c77b0d2a2c493fe8cb758d91b0d886

smarter/aom,smarter/aom,mbebenita/aom,smarter/aom,smarter/aom,luctrudeau/aom,smarter/aom,luctrudeau/aom,GrokImageCompression/aom,GrokImageCompression/aom,mbebenita/aom,luctrudeau/aom,mbebenita/aom,mbebenita/aom,GrokImageCompression/aom,mbebenita/aom,luctrudeau/aom,GrokImageCompression/aom,mbebenita/aom,mbebenita/aom,GrokImageCompression/aom,luctrudeau/aom,luctrudeau/aom,smarter/aom,mbebenita/aom,mbebenita/aom,GrokImageCompression/aom