Disable warning related to the use of the unique_ptr with the fclose function as the deleter

.github/workflows/sonarcloud.yml

@@ -20,7 +20,11 @@ jobs:
       with:
         # Disabling shallow clone is recommended for improving relevancy of reporting
         fetch-depth: 0
-    - name:  Install sonar-scanner and build-wrapper
+    - name: Install GCC 9
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y gcc-9 g++-9
+    - name: Install sonar-scanner and build-wrapper
       uses: sonarsource/sonarcloud-github-c-cpp@v3
     - name: Run build-wrapper
       run: |

CMakeLists.txt

@@ -18,6 +18,7 @@ option(EXCLUDE_SECURE_ELEMENT "Builds the device client without the support for
 option(EXCLUDE_SENSOR_PUBLISH "Builds the device client without the Sensor Publish over MQTT Feature." OFF)
 option(EXCLUDE_SENSOR_PUBLISH_SAMPLES "Builds the device client without the Sensor Publish sample servers." OFF)
 option(GIT_VERSION "Updates the version number using the Git commit history" ON)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-ignored-attributes")
 
 if (EXCLUDE_JOBS)
     add_definitions(-DEXCLUDE_JOBS)