Removing two incorrect inversions. These were preventing OVERWRITTEN being detected.

Author: PaulZC

src/SparkFun_Ublox_Arduino_Library.cpp

@@ -1412,7 +1412,7 @@ sfe_ublox_status_e SFE_UBLOX_GPS::waitForACKResponse(ubxPacket *outgoingUBX, uin
  // If (e.g.) a PVT packet _has been_ received: outgoingUBX->valid will be VALID (or just possibly NOT_VALID)
  // So we cannot use outgoingUBX->valid as part of this check.
  // Note: the addition of packetBuf should make this check redundant!
- else if ((outgoingUBX->classAndIDmatch == SFE_UBLOX_PACKET_VALIDITY_VALID) && (packetAck.classAndIDmatch == SFE_UBLOX_PACKET_VALIDITY_VALID) && !((outgoingUBX->cls != requestedClass) || (outgoingUBX->id != requestedID)))
+ else if ((outgoingUBX->classAndIDmatch == SFE_UBLOX_PACKET_VALIDITY_VALID) && (packetAck.classAndIDmatch == SFE_UBLOX_PACKET_VALIDITY_VALID) && ((outgoingUBX->cls != requestedClass) || (outgoingUBX->id != requestedID)))
  {
  if (_printDebug == true)
  {
@@ -1564,7 +1564,7 @@ sfe_ublox_status_e SFE_UBLOX_GPS::waitForNoACKResponse(ubxPacket *outgoingUBX, u
  // If (e.g.) a PVT packet _has been_ received: outgoingUBX->valid will be VALID (or just possibly NOT_VALID)
  // So we cannot use outgoingUBX->valid as part of this check.
  // Note: the addition of packetBuf should make this check redundant!
- else if ((outgoingUBX->classAndIDmatch == SFE_UBLOX_PACKET_VALIDITY_VALID) && !((outgoingUBX->cls != requestedClass) || (outgoingUBX->id != requestedID)))
+ else if ((outgoingUBX->classAndIDmatch == SFE_UBLOX_PACKET_VALIDITY_VALID) && ((outgoingUBX->cls != requestedClass) || (outgoingUBX->id != requestedID)))
  {
  if (_printDebug == true)
  {