Add an errors parameter to open() and TextIOWrapper() to specify error handling.

Include/fileobject.h

@@ -9,7 +9,7 @@ extern "C" {
 #define PY_STDIOTEXTMODE "b"
 
 PyAPI_FUNC(PyObject *) PyFile_FromFd(int, char *, char *, int, char *, char *,
-				     int);
+				     char *, int);
 PyAPI_FUNC(PyObject *) PyFile_GetLine(PyObject *, int);
 PyAPI_FUNC(int) PyFile_WriteObject(PyObject *, PyObject *, int);
 PyAPI_FUNC(int) PyFile_WriteString(const char *, PyObject *);