hg: jdk/jdk: 8215445: Enable building for Windows in WSL

[erik.joelsson at oracle.com]

Changeset: 50677f43ac3d
Author:    erikj
Date:      2019-01-02 12:59 +0100
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/50677f43ac3d

8215445: Enable building for Windows in WSL
Reviewed-by: ihse
Contributed-by: andrewluotechnologies at outlook.com, erik.joelsson at oracle.com

! doc/building.html
! doc/building.md
! make/Images.gmk
! make/autoconf/basics.m4
! make/autoconf/basics_windows.m4
! make/autoconf/boot-jdk.m4
! make/autoconf/build-aux/config.guess
! make/autoconf/build-aux/config.sub
! make/autoconf/compare.sh.in
! make/autoconf/platform.m4
! make/autoconf/spec.gmk.in
! make/autoconf/toolchain.m4
! make/autoconf/toolchain_windows.m4
! make/gendata/Gendata-java.base.gmk
! make/gensrc/GensrcBuffer.gmk
! make/gensrc/GensrcCharsetCoder.gmk
! make/gensrc/GensrcVarHandles.gmk
! make/jdk/src/classes/build/tools/generatecurrencydata/GenerateCurrencyData.java
! make/jdk/src/classes/build/tools/spp/Spp.java
+ make/scripts/windowsShortName.bat
! make/src/native/fixpath.c