Fix a compilation error in BsVectorNI.h

I guess MSVC uses black magic to parse C++.

Source/BansheeUtility/Include/BsVectorNI.h

@@ -52,7 +52,7 @@ namespace BansheeEngine
 		{
 			for (UINT32 i = 0; i < N; i++)
 			{
-				if (v[i] != rhs.v[i])
+				if (v[i] != rhs[i])
 					return false;
 			}