Removed the exception throw in the destructor in case of error.

src/mutex/mutex.cpp

@@ -74,13 +74,7 @@ void CMutex::exit(void)
 
 CMutex::~CMutex()
 {
-  int error=0;
-
   this->try_enter();
   this->exit();
-  if((error=pthread_mutex_destroy(&this->access))!=0)
-  {
-    /* handle exception */
-    throw CMutexException(_HERE_,"Impossible to destroy the mutex.\n");
-  }
+  pthread_mutex_destroy(&this->access);
 }