[CPP] Ints equality with bool

Hello! Get different results when comparing ints with true in CPP:

```haxe
var k1:Any = 1;
var k2:Any = 2;
trace("Equality:", (k1 == true) , (true == k1) , (k2 == true) , (true == k2));
// (CPP) Equality:,true,true,true,false
// (interp) Equality:,false,false,false,false

```

`(bool)(k1) == true, ::hx::IsEq( true,k1 ), (bool)(k2) == true, ::hx::IsEq( true,k2 )`

I know that in C/CPP, 0 equals false ant other ints equal true, so not sure that something should be done here.