Disabled C4312 in the evaluate layer

We reinterpret cast int to T* (because someone might compare 0 to a
ptr), which causes 4312 to fire when x64 platform is set.

Fixes #148

include/internal/catch_evaluate.hpp

@@ -11,6 +11,7 @@
 #ifdef _MSC_VER
 #pragma warning(push)
 #pragma warning(disable:4389) // '==' : signed/unsigned mismatch
+#pragma warning(disable:4312) // Converting int to T* using reinterpret_cast (issue on x64 platform)
 #endif
 
 #include <cstddef>