Fix compiler errors in warped_motion.c
Fix compiler errors in warped_motion.c

A few functions and variables were named incorrectly

Change-Id: Ib32fa459c51b9e9aad8bb107e1b689a96d98b368

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