fixed slate SWidget creation

Author: Roberto De Ioris

Source/UnrealEnginePython/Private/Slate/UEPySWidget.cpp

@@ -345,7 +345,7 @@ static PyMethodDef ue_PySWidget_methods[] = {
 	{ NULL }  /* Sentinel */
 };
 
-static void ue_PySWidgett_dealloc(ue_PySWidget *self)
+static void ue_PySWidget_dealloc(ue_PySWidget *self)
 {
 #if defined(UEPY_MEMORY_DEBUG)
 	UE_LOG(LogPython, Warning, TEXT("Destroying ue_PySWidget %p mapped to %s %p (slate refcount: %d)"), self, *self->s_widget->GetTypeAsString(), &self->s_widget.Get(), self->s_widget.GetSharedReferenceCount());
@@ -373,7 +373,7 @@ PyTypeObject ue_PySWidgetType = {
 	"unreal_engine.SWidget", /* tp_name */
 	sizeof(ue_PySWidget), /* tp_basicsize */
 	0,                         /* tp_itemsize */
-	(destructor)ue_PySWidgett_dealloc,       /* tp_dealloc */
+	(destructor)ue_PySWidget_dealloc,       /* tp_dealloc */
 	0,                         /* tp_print */
 	0,                         /* tp_getattr */
 	0,                         /* tp_setattr */

Source/UnrealEnginePython/Private/Slate/UEPySlate.h

@@ -80,7 +80,7 @@ template<typename T> ue_PySWidget *py_ue_new_swidget(TSharedRef<SWidget> s_widge
 	ue_PySWidget *ret = (ue_PySWidget *)PyObject_New(T, py_type);
 
 	new(&ret->Widget) TSharedRef<SWidget>(s_widget);
-
+	ret->weakreflist = nullptr;
 	return ret;
 }