Added support for both sets of rollers

Change-Id: I93a0f01eefe15364b510bd09c5dfc15f4df26456
diff --git a/y2016/joystick_reader.cc b/y2016/joystick_reader.cc
index 190692f..450eaa1 100644
--- a/y2016/joystick_reader.cc
+++ b/y2016/joystick_reader.cc
@@ -165,7 +165,8 @@
         new_superstructure_goal->max_angular_acceleration_intake = 0.05;
         new_superstructure_goal->max_angular_acceleration_shoulder = 0.05;
         new_superstructure_goal->max_angular_acceleration_wrist = 0.05;
-        new_superstructure_goal->voltage_rollers = 0.0;
+        new_superstructure_goal->voltage_top_rollers = 0.0;
+        new_superstructure_goal->voltage_bottom_rollers = 0.0;
 
         if (!new_superstructure_goal.Send()) {
           LOG(ERROR, "Sending superstructure goal failed.\n");