Windows - reduce irrelevant CMake system checks

Author: vaintroub

cmake/os/WindowsCache.cmake

@@ -304,4 +304,9 @@ SET(HAVE_ABI_CXA_DEMANGLE CACHE INTERNAL "")
 SET(HAVE_GCC_ATOMIC_BUILTINS CACHE INTERNAL "")
 SET(HAVE_GCC_C11_ATOMICS CACHE INTERNAL "")
 SET(HAVE_VISIBILITY_HIDDEN CACHE INTERNAL "")
+SET(HAVE_GCC_C11_ATOMICS_WITHOUT_LIBATOMIC CACHE INTERNAL "")
+SET(HAVE_GCC_C11_ATOMICS_WITH_LIBATOMIC CACHE INTERNAL "")
+SET(HAVE_MPROTECT CACHE INTERNAL "")
+SET(HAVE_C__Werror CACHE INTERNAL "")
+SET(HAVE_NANOSLEEP CACHE INTERNAL "")
 ENDIF(MSVC)