--- Python-3.3.2-orig/Include/pyerrors.h	2013-05-15 20:32:54.000000000 +0400
+++ Python-3.3.2/Include/pyerrors.h	2013-08-02 00:09:05.202148400 +0400
@@ -290,7 +290,7 @@
 
 /* In signalmodule.c */
 #ifndef Py_LIMITED_API
-int PySignal_SetWakeupFd(int fd);
+PyAPI_FUNC(int) PySignal_SetWakeupFd(int fd);
 #endif
 
 /* Support for adding program text to SyntaxErrors */