Remove duplication with defaults

Author: encukou

Include/exports.h

@@ -66,13 +66,9 @@
 #if defined(Py_ENABLE_SHARED) || defined(__CYGWIN__)
 #       if defined(HAVE_DECLSPEC_DLL)
 #               if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-#                       define PyAPI_FUNC(RTYPE) Py_EXPORTED_SYMBOL RTYPE
-#                       define PyAPI_DATA(RTYPE) extern Py_EXPORTED_SYMBOL RTYPE
         /* module init functions inside the core need no external linkage */
         /* except for Cygwin to handle embedding */
-#                       if defined(__CYGWIN__)
-#                               define _PyINIT_FUNC_DECLSPEC _PyINIT_EXPORTED_SYMBOL
-#                       else /* __CYGWIN__ */
+#                       if !defined(__CYGWIN__)
 #                               define _PyINIT_FUNC_DECLSPEC
 #                       endif /* __CYGWIN__ */
 #               else /* Py_BUILD_CORE */
@@ -81,7 +77,9 @@
         /* Under Cygwin, auto-import functions to prevent compilation */
         /* failures similar to those described at the bottom of 4.1: */
         /* http://docs.python.org/extending/windows.html#a-cookbook-approach */
-#                       if !defined(__CYGWIN__)
+#                       if defined(__CYGWIN__)
+#                               define _PyINIT_FUNC_DECLSPEC _PyINIT_EXPORTED_SYMBOL
+#                       else /* __CYGWIN__ */
 #                               define PyAPI_FUNC(RTYPE) Py_IMPORTED_SYMBOL RTYPE
 #                       endif /* !__CYGWIN__ */
 #                       define PyAPI_DATA(RTYPE) extern Py_IMPORTED_SYMBOL RTYPE