Silence gcc warnings when trying to print an off_t using "lld", on platforms
where off_t has type long (e.g., 64-bit Linux).
diff --git a/Modules/_io/bufferedio.c b/Modules/_io/bufferedio.c
index d9864d8..ef17faf 100644
--- a/Modules/_io/bufferedio.c
+++ b/Modules/_io/bufferedio.c
@@ -581,7 +581,7 @@
         if (!PyErr_Occurred())
             PyErr_Format(PyExc_IOError,
                          "Raw stream returned invalid position %" PY_PRIdOFF,
-			 n);
+			 (PY_OFF_T_COMPAT)n);
         return -1;
     }
     self->abs_pos = n;
@@ -614,7 +614,7 @@
         if (!PyErr_Occurred())
             PyErr_Format(PyExc_IOError,
                          "Raw stream returned invalid position %" PY_PRIdOFF,
-			 n);
+			 (PY_OFF_T_COMPAT)n);
         return -1;
     }
     self->abs_pos = n;