scst: Improve logging (merge r6479 from trunk)

git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/3.0.x@6746 d57e44dd-8a1f-0410-8b47-8ef2f437770f

scst/src/scst_debug.c

@@ -54,7 +54,7 @@ static inline int get_current_tid(void)
 		 * Unfortunately, task_pid_vnr() isn't IRQ-safe, so otherwise
 		 * it can oops. ToDo.
 		 */
-		return 0;
+		return current->pid;
 	}
 	return task_pid_vnr(current);
 #endif