compile c++ file including mlink_trigger.h

[ClaesIvarsson]

Environment

• Development Kit: none
• Kit version: none
• Core (if using chip or module): ESP32-Wrover
• MDF version: 88b398c
• Development Env: make
• Operating System: Ubuntu
• Power Supply: USB

Problem Description

components/mlink/include/mlink_trigger.h included in c++ files will cause compiler error since it doesn't have matching declaration of extern "C" curly brackets.

#ifdef __cplusplus
extern "C" {
#endif

is missing in the beginning of the file but However:

#ifdef __cplusplus
}
#endif

is present in the end of the file

Expected Behavior

Actual Behavior

Steps to repropduce

1. Include file in a cpp source file
2. compile

Code to reproduce this issue

Debug Logs

Other items if possible

[EspHuifeng]

Thank you for your reminding, It will be fixed right now