builtin_execfile(): initialize another local that the GCC on leroy
found it necessary to warn about.
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 8fff44c..55c71d3 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -533,7 +533,7 @@
 	char *filename;
 	PyObject *globals = Py_None, *locals = Py_None;
 	PyObject *res;
-	FILE* fp;
+	FILE* fp = NULL;
 	PyCompilerFlags cf;
 	int exists;
 	struct stat s;