Minor fixes

Source/Engine/Scripting/ManagedCLR/MClass.cpp

@@ -69,6 +69,7 @@ MClass::MClass(const MAssembly* parentAssembly, MonoClass* monoClass, const MStr
 
 MClass::~MClass()
 {
+#if !COMPILE_WITHOUT_CSHARP
 #if USE_MONO
     if (_attrInfo)
         mono_custom_attrs_free((MonoCustomAttrInfo*)_attrInfo);
@@ -78,6 +79,7 @@ MClass::~MClass()
     _methods.ClearDelete();
     _attributes.ClearDelete();
     _events.ClearDelete();
+#endif
 }
 
 bool MClass::IsGeneric() const
@@ -397,7 +399,7 @@ MObject* MClass::GetAttribute(MClass* monoClass)
     MonoCustomAttrInfo* attrInfo = GET_CUSTOM_ATTR();
     return attrInfo ? mono_custom_attrs_get_attr(attrInfo, monoClass->GetNative()) : nullptr;
 #else
-    return false;
+    return nullptr;
 #endif
 }
 

Source/Engine/Scripting/ManagedCLR/MEvent.cpp

@@ -117,7 +117,7 @@ MObject* MEvent::GetAttribute(MClass* monoClass) const
     mono_custom_attrs_free(attrInfo);
     return foundAttr;
 #else
-    return false;
+    return nullptr;
 #endif
 }
 

Source/Engine/Scripting/ManagedCLR/MMethod.cpp

@@ -192,7 +192,7 @@ MObject* MMethod::GetAttribute(MClass* monoClass) const
     mono_custom_attrs_free(attrInfo);
     return foundAttr;
 #else
-    return false;
+    return nullptr;
 #endif
 }
 

Source/Engine/Scripting/Types.h

@@ -2,6 +2,8 @@
 
 #pragma once
 
+#include "Engine/Platform/Defines.h"
+
 // Forward declarations
 class Scripting;
 struct ScriptingType;