Suppressed a couple more -Wundef warnings.

[SVN r50062]

include/boost/detail/workaround.hpp

@@ -191,6 +191,16 @@
 #else
 #define _STLPORT_VERSION_WORKAROUND_GUARD 0
 #endif
+#ifndef __LIBCOMO_VERSION__
+#define __LIBCOMO_VERSION___WORKAROUND_GUARD 1
+#else
+#define __LIBCOMO_VERSION___WORKAROUND_GUARD 0
+#endif
+#ifndef _CPPLIB_VER
+#define _CPPLIB_VER_WORKAROUND_GUARD 1
+#else
+#define _CPPLIB_VER_WORKAROUND_GUARD 0
+#endif
 
 #ifndef BOOST_INTEL_CXX_VERSION
 #define BOOST_INTEL_CXX_VERSION_WORKAROUND_GUARD 1