porting/examples: Fix build error on linux
Since 'using namespace std' was removed from public header it is
needed to explicitly use it when using std::list
template <typename T> class wqueue
{
- list<T> m_queue;
+ std::list<T> m_queue;
pthread_mutex_t m_mutex;
pthread_mutexattr_t m_mutex_attr;
pthread_cond_t m_condv;
