ccid_open_hack_pre(): fix bug for ICCD type A & B devices

The CmdPowerOn() used a wrong value for voltage selection.

Thanks to Coverity:
CID 1453380 (#2 of 2): Out-of-bounds access (OVERRUN)
6. overrun-call: Overrunning callee's array of size 4 by passing
argument 8 in call to CmdPowerOn.

src/ccid.c

@@ -122,7 +122,7 @@ int ccid_open_hack_pre(unsigned int reader_index)
 
  DEBUG_COMM("ICCD type A");
  (void)CmdPowerOff(reader_index);
- (void)CmdPowerOn(reader_index, &n, tmp, CCID_CLASS_AUTO_VOLTAGE);
+ (void)CmdPowerOn(reader_index, &n, tmp, VOLTAGE_AUTO);
  (void)CmdPowerOff(reader_index);
  }
 
@@ -142,7 +142,7 @@ int ccid_open_hack_pre(unsigned int reader_index)
  }
 
  (void)CmdPowerOff(reader_index);
- (void)CmdPowerOn(reader_index, &n, tmp, CCID_CLASS_AUTO_VOLTAGE);
+ (void)CmdPowerOn(reader_index, &n, tmp, VOLTAGE_AUTO);
  (void)CmdPowerOff(reader_index);
  }