hg: build-infra/jdk8: Fixed build on windows.

[erik.joelsson at oracle.com]

Changeset: 59242c6092cd
Author:    erikj
Date:      2012-06-29 17:08 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/59242c6092cd

Fixed build on windows.

! common/autoconf/generated-configure.sh
! common/autoconf/spec.gmk.in
! common/autoconf/toolchain.m4
! common/makefiles/Makefile
! common/makefiles/NativeCompilation.gmk