hg: jdk9/dev: 8058631: Rename posix to unix in build system to match file name changes

[magnus.ihse.bursie at oracle.com]

Changeset: ad678fcb38f3
Author:    ihse
Date:      2014-11-21 16:05 +0100
URL:       http://hg.openjdk.java.net/jdk9/dev/rev/ad678fcb38f3

8058631: Rename posix to unix in build system to match file name changes
Reviewed-by: simonis, erikj, tbell

! common/autoconf/basics.m4
! common/autoconf/flags.m4
! common/autoconf/generated-configure.sh
! common/autoconf/platform.m4
! common/autoconf/spec.gmk.in
! make/CompileJavaModules.gmk
! make/Javadoc.gmk
! make/common/Modules.gmk
! make/common/NativeCompilation.gmk