BUG: curl did not build with cmake with VS 2005 for two reasons, ws2tcpip.h...

BUG: curl did not build with cmake with VS 2005 for two reasons, ws2tcpip.h requires winsock2.h to be included before it with that compiler, and wldap32 is not available with the default install of the compiler, so disable ldap support if that is not found