Compilation warnings: Seeed_Arduino_DPS310

[matsujirushi]

• Dps310.cpp:84:13: warning: unused variable 'ret' [-Wunused-variable]
• DpsClass.cpp:171:42: warning: 'raw_val' may be used uninitialized in this function [-Wmaybe-uninitialized]
• DpsClass.cpp:163:21: note: 'raw_val' was declared here

| Wio_Tracker_1110_Examples | grove_barometer_dps310.ino          | warnings  |  7.14s |
/home/runner/.arduino15/packages/Seeeduino/hardware/nrf52/1.1.5/libraries/Seeed_Arduino_DPS[31](https://github.com/SeeedJP/Adafruit_nRF52_Arduino_priv/actions/runs/6358400379/job/17270588570#step:6:32)0/src/Dps310.cpp: In member function 'virtual int16_t Dps310::readcoeffs()':
/home/runner/.arduino15/packages/Seeeduino/hardware/nrf52/1.1.5/libraries/Seeed_Arduino_DPS310/src/Dps310.cpp:84:13: warning: unused variable 'ret' [-Wunused-variable]
   84 |     int16_t ret = readBlock(coeffBlock, buffer);
      |             ^~~
/home/runner/.arduino15/packages/Seeeduino/hardware/nrf52/1.1.5/libraries/Seeed_Arduino_DPS310/src/DpsClass.cpp: In member function 'int16_t DpsClass::getSingleResult(float&)':
/home/runner/.arduino15/packages/Seeeduino/hardware/nrf52/1.1.5/libraries/Seeed_Arduino_DPS310/src/DpsClass.cpp:171:42: warning: 'raw_val' may be used uninitialized in this function [-Wmaybe-uninitialized]
  171 |                     result = calcPressure(raw_val);
      |                              ~~~~~~~~~~~~^~~~~~~~~
/home/runner/.arduino15/packages/Seeeduino/hardware/nrf52/1.1.5/libraries/Seeed_Arduino_DPS310/src/DpsClass.cpp: In member function 'int16_t DpsClass::measurePressureOnce(float&, uint8_t)':
/home/runner/.arduino15/packages/Seeeduino/hardware/nrf52/1.1.5/libraries/Seeed_Arduino_DPS310/src/DpsClass.cpp:171:42: warning: 'raw_val' may be used uninitialized in this function [-Wmaybe-uninitialized]
  171 |                     result = calcPressure(raw_val);
      |                              ~~~~~~~~~~~~^~~~~~~~~
/home/runner/.arduino15/packages/Seeeduino/hardware/nrf52/1.1.5/libraries/Seeed_Arduino_DPS310/src/DpsClass.cpp:163:21: note: 'raw_val' was declared here
  163 |             int[32](https://github.com/SeeedJP/Adafruit_nRF52_Arduino_priv/actions/runs/6358400379/job/17270588570#step:6:33)_t raw_val;
      |                     ^~~~~~~
/home/runner/.arduino15/packages/Seeeduino/hardware/nrf52/1.1.5/libraries/Seeed_Arduino_DPS310/src/DpsClass.cpp: In member function 'int16_t DpsClass::measureTempOnce(float&, uint8_t)':
/home/runner/.arduino15/packages/Seeeduino/hardware/nrf52/1.1.5/libraries/Seeed_Arduino_DPS310/src/DpsClass.cpp:171:[42](https://github.com/SeeedJP/Adafruit_nRF52_Arduino_priv/actions/runs/6358400379/job/17270588570#step:6:43): warning: 'raw_val' may be used uninitialized in this function [-Wmaybe-uninitialized]
  171 |                     result = calcPressure(raw_val);
      |                              ~~~~~~~~~~~~^~~~~~~~~
/home/runner/.arduino15/packages/Seeeduino/hardware/nrf52/1.1.5/libraries/Seeed_Arduino_DPS310/src/DpsClass.cpp:163:21: note: 'raw_val' was declared here
  163 |             int32_t raw_val;
      |                     ^~~~~~~