core_.pyx: use <void*> instead of <object>, because cython 0.14.1 will add...

core_.pyx: use <void*> instead of <object>, because cython 0.14.1 will add additional incref/decref for <object> arguments

gevent/core_.pyx

@@ -11,10 +11,10 @@ __all__ = ['get_version',
 
 
 cdef extern from "Python.h":
-    void   Py_INCREF(object o)
-    void   Py_DECREF(object o)
-    int    Py_ReprEnter(object o)
-    void   Py_ReprLeave(object o)
+    void   Py_INCREF(void* o)
+    void   Py_DECREF(void* o)
+    int    Py_ReprEnter(void* o)
+    void   Py_ReprLeave(void* o)
 
 cdef extern from "frameobject.h":
     ctypedef struct PyThreadState:
@@ -359,7 +359,7 @@ cdef class loop:
 
 define(INCREF, ``if self._incref == 1:
             self._incref = 2
-            Py_INCREF(self)'')
+            Py_INCREF(<void*>self)'')
 
 
 define(WATCHER_BASE, `cdef public loop loop
@@ -373,7 +373,7 @@ define(WATCHER_BASE, `cdef public loop loop
         self.callback = None
         self.args = None
         if self._incref == 2:
-            Py_DECREF(self)
+            Py_DECREF(<void*>self)
             self._incref = 1
 
     def __dealloc__(self):
@@ -434,7 +434,7 @@ cdef class watcher:
     """Abstract base class for all the watchers"""
 
     def __repr__(self):
-        if Py_ReprEnter(self) != 0:
+        if Py_ReprEnter(<void*>self) != 0:
             return "<...>"
         try:
             format = self._format()
@@ -455,7 +455,7 @@ cdef class watcher:
                 result += " _incref=%s" % self._incref
             return result + ">"
         finally:
-            Py_ReprLeave(self)
+            Py_ReprLeave(<void*>self)
 
     def _format(self):
         return ''
@@ -576,17 +576,17 @@ cdef class callback(watcher):
 def set_exc_info(object type, object value):
     cdef PyThreadState* tstate = PyThreadState_GET()
     if tstate.exc_type != NULL:
-        Py_DECREF(<object>tstate.exc_type)
+        Py_DECREF(<void*>tstate.exc_type)
     if tstate.exc_value != NULL:
-        Py_DECREF(<object>tstate.exc_value)
+        Py_DECREF(<void*>tstate.exc_value)
     if tstate.exc_traceback != NULL:
-        Py_DECREF(<object>tstate.exc_traceback)
+        Py_DECREF(<void*>tstate.exc_traceback)
     if value is None:
         tstate.exc_type = NULL
         tstate.exc_value = NULL
     else:
-        Py_INCREF(type)
-        Py_INCREF(value)
+        Py_INCREF(<void*>type)
+        Py_INCREF(<void*>value)
         tstate.exc_type = <void*>type
         tstate.exc_value = <void *>value
     tstate.exc_traceback = NULL