[Cmake] .net 2003 problems

[John Biddiscombe]

On my setup, configure.hxx consistently gets set with the following. Causing
complete failure of all cmake builds. Setting them manually to 0 cures the
problem.

JB

#if 1
# define cmsys_NO_ANSI_STREAM_HEADERS
#endif
/* Defined if no ANSI C++ <sstream> header is present. */
#if 1
# define cmsys_NO_ANSI_STRING_STREAM
#endif
/* Defined if no std namespace is present. */
#if 1
# define cmsys_NO_STD_NAMESPACE
#endif