Make more warnings go away on the SGI compiler.
This is part of SF patch #424992.
diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index c6e4b86..c92dc7f 100644
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -332,7 +332,7 @@
 static int
 update_ufd_array(pollObject *self)
 {
-	int i, j, pos;
+	int i, pos;
 	PyObject *key, *value;
 
 	self->ufd_len = PyDict_Size(self->dict);
@@ -343,9 +343,9 @@
 	}
 
 	i = pos = 0;
-	while ((j = PyDict_Next(self->dict, &pos, &key, &value))) {
+	while (PyDict_Next(self->dict, &pos, &key, &value)) {
 		self->ufds[i].fd = PyInt_AsLong(key);
-		self->ufds[i].events = PyInt_AsLong(value);
+		self->ufds[i].events = (short)PyInt_AsLong(value);
 		i++;
 	}
 	self->ufd_uptodate = 1;