diff -r fe16fa088b69 -r b544bbbd0696 qmlfrontend/flib.h
--- a/qmlfrontend/flib.h	Wed Dec 27 00:59:26 2017 +0100
+++ b/qmlfrontend/flib.h	Tue Jan 02 23:45:18 2018 +0100
@@ -25,6 +25,7 @@
 } string255;
 
 typedef void RunEngine_t(int argc, const char** argv);
+typedef void GameTick_t(uint32_t time_delta);
 typedef void ipcToEngineRaw_t(const char* msg, uint32_t len);
 typedef void ipcSetEngineBarrier_t();
 typedef void ipcRemoveBarrierFromEngineQueue_t();