fix for MORPH_HITMISS not defined in opencv3.0
fix for MORPH_HITMISS not defined in opencv3.0

justadudewhohacks/opencv4nodejs,justadudewhohacks/opencv4nodejs,justadudewhohacks/opencv4nodejs,justadudewhohacks/opencv4nodejs,justadudewhohacks/opencv4nodejs,justadudewhohacks/opencv4nodejs