Use the proper load font face API

Samples/basic/sdl2/src/main.cpp

@@ -89,10 +89,10 @@ int main(int argc, char **argv)
 	if(!Rml::Core::Initialise())
 		return 1;
 
-	Rml::Core::GetFontEngineInterface()->LoadFontFace("assets/Delicious-Bold.otf");
-	Rml::Core::GetFontEngineInterface()->LoadFontFace("assets/Delicious-BoldItalic.otf");
-	Rml::Core::GetFontEngineInterface()->LoadFontFace("assets/Delicious-Italic.otf");
-	Rml::Core::GetFontEngineInterface()->LoadFontFace("assets/Delicious-Roman.otf");
+	Rml::Core::LoadFontFace("assets/Delicious-Bold.otf");
+	Rml::Core::LoadFontFace("assets/Delicious-BoldItalic.otf");
+	Rml::Core::LoadFontFace("assets/Delicious-Italic.otf");
+	Rml::Core::LoadFontFace("assets/Delicious-Roman.otf");
 
 	Rml::Core::Context *Context = Rml::Core::CreateContext("default",
 		Rml::Core::Vector2i(window_width, window_height));

Samples/basic/sfml2/src/main.cpp

@@ -89,10 +89,10 @@ int main(int argc, char **argv)
 	if(!Rml::Core::Initialise())
 		return 1;
 
-	Rml::Core::GetFontEngineInterface()->LoadFontFace("assets/Delicious-Bold.otf");
-	Rml::Core::GetFontEngineInterface()->LoadFontFace("assets/Delicious-BoldItalic.otf");
-	Rml::Core::GetFontEngineInterface()->LoadFontFace("assets/Delicious-Italic.otf");
-	Rml::Core::GetFontEngineInterface()->LoadFontFace("assets/Delicious-Roman.otf");
+	Rml::Core::LoadFontFace("assets/Delicious-Bold.otf");
+	Rml::Core::LoadFontFace("assets/Delicious-BoldItalic.otf");
+	Rml::Core::LoadFontFace("assets/Delicious-Italic.otf");
+	Rml::Core::LoadFontFace("assets/Delicious-Roman.otf");
 
 	Rml::Core::Context *Context = Rml::Core::CreateContext("default",
 		Rml::Core::Vector2i(MyWindow.getSize().x, MyWindow.getSize().y));