hg: jdk8/build: 8003414: build-infra: fails on on windows

[erik.joelsson at oracle.com]

Changeset: bd32ef0789ca
Author:    erikj
Date:      2012-12-05 16:35 +0100
URL:       http://hg.openjdk.java.net/jdk8/build/rev/bd32ef0789ca

8003414: build-infra: fails on on windows
Summary: Added extra check that windows sdk is valid.
Reviewed-by: tbell, ohrstrom, ohair

! common/autoconf/generated-configure.sh
! common/autoconf/toolchain_windows.m4