Update third_party/psutil and fix the licence issue with it.

third_party/psutil/psutil/_psutil_bsd.h

Index: third_party/psutil/psutil/_psutil_bsd.h
diff --git a/third_party/psutil/psutil/_psutil_bsd.h b/third_party/psutil/psutil/_psutil_bsd.h
index 80ccc1e9e735a8766f76fdac47c9a5e18eba7075..2cc76aea25d1d59802ca85674a6989a3ae01a565 100644
--- a/third_party/psutil/psutil/_psutil_bsd.h
+++ b/third_party/psutil/psutil/_psutil_bsd.h
@@ -1,5 +1,9 @@
 /*
- * $Id: _psutil_bsd.h 777 2010-11-08 18:29:13Z g.rodola $
+ * $Id: _psutil_bsd.h 1142 2011-10-05 18:45:49Z g.rodola $
+ *
+ * Copyright (c) 2009, Jay Loden, Giampaolo Rodola'. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
  *
  * BSD platform-specific module methods for _psutil_bsd
  */
@@ -10,13 +14,18 @@
 
 static PyObject* get_cpu_times(PyObject* self, PyObject* args);
 static PyObject* get_process_name(PyObject* self, PyObject* args);
+static PyObject* get_process_exe(PyObject* self, PyObject* args);
 static PyObject* get_process_cmdline(PyObject* self, PyObject* args);
 static PyObject* get_process_ppid(PyObject* self, PyObject* args);
-static PyObject* get_process_uid(PyObject* self, PyObject* args);
-static PyObject* get_process_gid(PyObject* self, PyObject* args);
+static PyObject* get_process_uids(PyObject* self, PyObject* args);
+static PyObject* get_process_gids(PyObject* self, PyObject* args);
 static PyObject* get_process_create_time(PyObject* self, PyObject* args);
 static PyObject* get_memory_info(PyObject* self, PyObject* args);
 static PyObject* get_process_num_threads(PyObject* self, PyObject* args);
+static PyObject* get_process_threads(PyObject* self, PyObject* args);
+static PyObject* get_process_status(PyObject* self, PyObject* args);
+static PyObject* get_process_io_counters(PyObject* self, PyObject* args);
+static PyObject* get_process_tty_nr(PyObject* self, PyObject* args);
 
 // --- system-related functions
 
@@ -27,4 +36,7 @@ static PyObject* get_avail_phymem(PyObject* self, PyObject* args);
 static PyObject* get_total_virtmem(PyObject* self, PyObject* args);
 static PyObject* get_avail_virtmem(PyObject* self, PyObject* args);
 static PyObject* get_system_cpu_times(PyObject* self, PyObject* args);
-
+static PyObject* get_system_per_cpu_times(PyObject* self, PyObject* args);
+static PyObject* get_system_boot_time(PyObject* self, PyObject* args);
+static PyObject* get_disk_partitions(PyObject* self, PyObject* args);
+static PyObject* get_network_io_counters(PyObject* self, PyObject* args);