Work around a bug in our indirect rule invocation

******* This indicates a core Jam bug!! ********


[SVN r17502]

tools/build

@@ -1 +1 @@
-Subproject commit 5e9b8905b667f111d649bfab10d67cf139a3dfe2
+Subproject commit 495874710e621867328fef88d7835bdc26b7f7e3