Removed some unused local variables.
diff --git a/Python/marshal.c b/Python/marshal.c
index 396e05c..76d5690 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -1315,8 +1315,6 @@
 {
     PyObject *data, *result;
     RFILE rf;
-    char *p;
-    int n;
 
     /*
      * Make a call to the read method, but read zero bytes.