Fix for Windows that doesn't break other systems: delete the
authorstevenknight <stevenknight@fdb21ef1-2011-0410-befe-b5e4ea1792b1>
Mon, 22 Sep 2008 20:29:53 +0000 (20:29 +0000)
committerstevenknight <stevenknight@fdb21ef1-2011-0410-befe-b5e4ea1792b1>
Mon, 22 Sep 2008 20:29:53 +0000 (20:29 +0000)
commitc097b868bbf4777bfac714d0a92a0c78769bc36a
tree9a20c0e3d5e0a033774b014cc94531aa4a0dd8ec
parentc1dc2f1c53aa5c03374729ee1e2f618729eb3fab
Fix for Windows that doesn't break other systems:  delete the
PYTHON_ROOT environment variable instead of nulling it out.
(Bill Deegan)

git-svn-id: http://scons.tigris.org/svn/scons/trunk@3454 fdb21ef1-2011-0410-befe-b5e4ea1792b1
test/MSVS/vs-7.0-files.py
test/MSVS/vs-7.1-files.py
test/MSVS/vs-8.0-files.py