Update coreJSON submodule, and update call to JSON_Search API in Shadow demo (#375)

FreeRTOS-Plus/Demo/AWS/Device_Shadow_Windows_Simulator/Device_Shadow_Demo/DemoTasks/ShadowDemoMainExample.c

@@ -283,7 +283,6 @@ static void prvUpdateDeltaHandler( MQTTPublishInfo_t * pxPublishInfo )
                               pxPublishInfo->payloadLength,
                               "version",
                               sizeof( "version" ) - 1,
-                              '.',
                               &pcOutValue,
                               ( size_t * ) &ulOutValueLength );
     }
@@ -320,7 +319,6 @@ static void prvUpdateDeltaHandler( MQTTPublishInfo_t * pxPublishInfo )
                               pxPublishInfo->payloadLength,
                               "state.powerOn",
                               sizeof( "state.powerOn" ) - 1,
-                              '.',
                               &pcOutValue,
                               ( size_t * ) &ulOutValueLength );
     }
@@ -410,7 +408,6 @@ static void prvUpdateAcceptedHandler( MQTTPublishInfo_t * pxPublishInfo )
                               pxPublishInfo->payloadLength,
                               "clientToken",
                               sizeof( "clientToken" ) - 1,
-                              '.',
                               &pcOutValue,
                               ( size_t * ) &ulOutValueLength );
     }

FreeRTOS-Plus/Source/coreJSON

@@ -1 +1 @@
-Subproject commit 3fcea77f6828be92fb3d3c7593b27105b6e809b4
+Subproject commit 5bfadf5f86a038986ebdf7114939d73de2681f7f