Fix broken toString methods

The const markers did not match the definition in hx::Object, so they
were not overriding the parent class method correctly. If we remove them
then they can be marked as override.

Author: tobil4sk

include/Array.h

@@ -1517,7 +1517,7 @@ hx::Val Array_obj<ELEM_>::__Field(const String& inString, hx::PropertyAccess inC
        bool __IsFunction() const { return true; } \
        ::Array_obj<ELEM_> *mThis; \
        Reflective_##func(::Array_obj<ELEM_> *inThis) : mThis(inThis) { } \
-       ::String toString() const { return HX_CSTRING(#func) ; } \
+       ::String toString() override { return HX_CSTRING(#func) ; } \
        ::String __ToString() const override { return HX_CSTRING(#func) ; } \
        int __GetType() const override { return vtFunction; } \
        void *__GetHandle() const override { return mThis; } \

src/Array.cpp

@@ -513,7 +513,7 @@ struct ArrayBase_##func : public hx::Object \
    bool __IsFunction() const { return true; } \
    ArrayBase *mThis; \
    ArrayBase_##func(ArrayBase *inThis) : mThis(inThis) { } \
-   String toString() const { return HX_CSTRING(#func) ; } \
+   String toString() HXCPP_OVERRIDE { return HX_CSTRING(#func) ; } \
    String __ToString() const HXCPP_OVERRIDE { return HX_CSTRING(#func) ; } \
    int __GetType() const HXCPP_OVERRIDE { return vtFunction; } \
    void *__GetHandle() const HXCPP_OVERRIDE { return mThis; } \
@@ -881,7 +881,7 @@ struct VirtualArray_##func : public hx::Object \
    VirtualArray_##func(VirtualArray inThis) : mThis(inThis) { \
       HX_OBJ_WB_NEW_MARKED_OBJECT(this); \
    } \
-   String toString() const{ return HX_CSTRING(#func) ; } \
+   String toString() HXCPP_OVERRIDE { return HX_CSTRING(#func) ; } \
    String __ToString() const HXCPP_OVERRIDE { return HX_CSTRING(#func) ; } \
    int __GetType() const HXCPP_OVERRIDE { return vtFunction; } \
    void *__GetHandle() const HXCPP_OVERRIDE { return mThis.mPtr; } \

src/String.cpp

@@ -2348,7 +2348,7 @@ String &String::operator+=(const String &inRHS)
        __String_##func(const String &inThis) : mThis(inThis) { \
           HX_OBJ_WB_NEW_MARKED_OBJECT(this); \
        } \
-       String toString() const { return HX_CSTRING(#func); } \
+       String toString() HXCPP_OVERRIDE { return HX_CSTRING(#func); } \
        String __ToString() const HXCPP_OVERRIDE { return HX_CSTRING(#func); } \
        int __GetType() const HXCPP_OVERRIDE { return vtFunction; } \
        void *__GetHandle() const HXCPP_OVERRIDE { return const_cast<char *>(mThis.raw_ptr()); } \