hg: jdk8/build: 8001901: build-infra: Fix "misbehaving" which command on Solaris

[erik.joelsson at oracle.com]

Changeset: 51d3b65b8093
Author:    erikj
Date:      2012-12-18 17:54 +0100
URL:       http://hg.openjdk.java.net/jdk8/build/rev/51d3b65b8093

8001901: build-infra: Fix "misbehaving" which command on Solaris
Summary: Removed all uses of which in configure on solaris.
Reviewed-by: ohair

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