Index: vim74/src/if_python.c
===================================================================
--- vim74.orig/src/if_python.c
+++ vim74/src/if_python.c
@@ -359,7 +359,7 @@ static int(*dll_PyRun_SimpleString)(char
 static PyObject *(*dll_PyRun_String)(char *, int, PyObject *, PyObject *);
 static PyObject* (*dll_PyObject_GetAttrString)(PyObject *, const char *);
 static int (*dll_PyObject_HasAttrString)(PyObject *, const char *);
-static PyObject* (*dll_PyObject_SetAttrString)(PyObject *, const char *, PyObject *);
+static int (*dll_PyObject_SetAttrString)(PyObject *, const char *, PyObject *);
 static PyObject* (*dll_PyObject_CallFunctionObjArgs)(PyObject *, ...);
 static PyObject* (*dll_PyObject_CallFunction)(PyObject *, char *, ...);
 static PyObject* (*dll_PyObject_Call)(PyObject *, PyObject *, PyObject *);
Index: vim74/src/if_python3.c
===================================================================
--- vim74.orig/src/if_python3.c
+++ vim74/src/if_python3.c
@@ -302,7 +302,7 @@ static int (*py3_PyRun_SimpleString)(cha
 static PyObject* (*py3_PyRun_String)(char *, int, PyObject *, PyObject *);
 static PyObject* (*py3_PyObject_GetAttrString)(PyObject *, const char *);
 static int (*py3_PyObject_HasAttrString)(PyObject *, const char *);
-static PyObject* (*py3_PyObject_SetAttrString)(PyObject *, const char *, PyObject *);
+static int (*py3_PyObject_SetAttrString)(PyObject *, const char *, PyObject *);
 static PyObject* (*py3_PyObject_CallFunctionObjArgs)(PyObject *, ...);
 static PyObject* (*py3__PyObject_CallFunction_SizeT)(PyObject *, char *, ...);
 static PyObject* (*py3_PyObject_Call)(PyObject *, PyObject *, PyObject *);