stereo_odom: fixed left image as right image with single stereo callback

src/nodelets/stereo_odometry.cpp

@@ -566,7 +566,7 @@ private:
 						imageRight->header.stamp.toSec());
 			}
 
-			this->commonCallback(leftMsgs, leftMsgs, leftInfoMsgs, rightInfoMsgs);
+			this->commonCallback(leftMsgs, rightMsgs, leftInfoMsgs, rightInfoMsgs);
 		}
 	}