Fix the resize mode of TextureButton cannot be saved into resource files.

scene/gui/texture_button.cpp

@@ -206,7 +206,7 @@ void TextureButton::_bind_methods() {
 	ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT, "texture_focused", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_focused_texture", "get_focused_texture");
 	ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT, "texture_click_mask", PROPERTY_HINT_RESOURCE_TYPE, "BitMap"), "set_click_mask", "get_click_mask");
 	ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "expand", PROPERTY_HINT_RESOURCE_TYPE, "bool"), "set_expand", "get_expand");
-	ADD_PROPERTYNO(PropertyInfo(Variant::INT, "stretch_mode", PROPERTY_HINT_ENUM, "Scale,Tile,Keep,Keep Centered,Keep Aspect,Keep Aspect Centered,Keep Aspect Covered"), "set_stretch_mode", "get_stretch_mode");
+	ADD_PROPERTYNZ(PropertyInfo(Variant::INT, "stretch_mode", PROPERTY_HINT_ENUM, "Scale,Tile,Keep,Keep Centered,Keep Aspect,Keep Aspect Centered,Keep Aspect Covered"), "set_stretch_mode", "get_stretch_mode");
 
 	BIND_CONSTANT(STRETCH_SCALE);
 	BIND_CONSTANT(STRETCH_TILE);