[SCons] Workaround for SCons bug under Cygwin
[SCons] Workaround for SCons bug under Cygwin

See SCons Issue 2911.
http://scons.tigris.org/issues/show_bug.cgi?id=2911

git-svn-id: e76dbe14710aecee1ad27675521492cea2578c83@2739 02a645c2-efd0-11dd-984d-ab748d24aa7e

Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn,Cantera/cantera-svn