Fix mingw32 cross build for can_peak_win32 and can_tcp_win32 server.
#ifndef TESTSLAVEGUI_H_
#define TESTSLAVEGUI_H_
extern "C"
{
#include "canfestival.h"
}
int main_can (s_BOARD SlaveBoard, char *LibraryPath);
void stop_slave ();
#endif /*TESTSLAVEGUI_H_ */