NEW: release DJI Payload-SDK version 3.7

Signed-off-by: Martin <Martin@dji.com>

samples/sample_c++/module_sample/flight_controller/test_flight_controller_command_flying.cpp

@@ -32,6 +32,7 @@
 #include "dji_flight_controller.h"
 #include "dji_logger.h"
 #include "dji_fc_subscription.h"
+#include "cmath"
 
 #ifdef OPEN_CV_INSTALLED
 
@@ -814,6 +815,8 @@ static T_DjiReturnCode DjiUser_FlightControlUpdateConfig(void)
         return DJI_ERROR_SYSTEM_MODULE_CODE_SYSTEM_ERROR;
     }
 
+    memset(jsonData, 0, fileSize);
+
     UtilFile_GetFileDataByPath(tempFileDirPath, 0, fileSize, jsonData, &readRealSize);
 
     jsonData[readRealSize] = '\0';