Fix MSVC 7.1 IDE path (for MSVS detection code) in Tool/MSCommon/vs.py.
Fix MSVC 7.1 IDE path (for MSVS detection code) in Tool/MSCommon/vs.py.

git-svn-id: 7892167f69f80ee5d3024affce49f20c74bcb41d@4320 fdb21ef1-2011-0410-befe-b5e4ea1792b1

azverkan/scons,azverkan/scons,azverkan/scons,azverkan/scons,azverkan/scons