Removed some unnecessary variables.

dynamixel_base/src/dynamixel_master.c

@@ -135,8 +135,6 @@ unsigned char dummy_dyn_master_abort_dma(void *hal_dev)
 
 unsigned char dyn_master_wait_transmission(TDynamixelMaster *master)
 {
-  unsigned char error;
-
   if(master!=0x00000000)
   {
     while(master->tx_done==0x00);
@@ -150,8 +148,6 @@ unsigned char dyn_master_wait_transmission(TDynamixelMaster *master)
 
 unsigned char dyn_master_is_transmission_done(TDynamixelMaster *master)
 {
-  unsigned char error;
-
   if(master!=0x00000000)
   {
     if(master->tx_done==0x00)