Don't write stuff when it not needed

src/DivaGL/camera.cpp

@@ -75,6 +75,10 @@ HOOK(void, FASTCALL, camera_update, 0x00000001401F8970) {
     camera_data->fast_change = false;
 }
 
+void camera_struct::get_view_point(vec3& value) {
+    value = view_point;
+}
+
 void camera_struct::get_view_point(vec4& value) {
     *(vec3*)&value = view_point;
     value.w = 0.0f;