Weak aliasing is not supported with Mach-O

This fixes the simulator for Mac OS X.

simulat0r/firmware/lcd/display.c

@@ -1,8 +1,14 @@
+#ifdef __APPLE__
+#define lcdRefresh _hideaway_lcdRefresh
+#endif
 #define lcdDisplay _hideaway_lcdDisplay
 #define lcdInit _hideaway_lcdInit
 #include "../../../firmware/lcd/display.c"
 #undef lcdDisplay
 #undef lcdInit
+#ifdef __APPLE__
+#undef lcdRefresh
+#endif
 
 #include "simulator.h"
 
@@ -10,5 +16,11 @@ void lcdDisplay() {
   simlcdDisplayUpdate();
 }
 
+#ifdef __APPLE__
+void lcdRefresh() {
+    lcdDisplay();
+}
+#endif
+
 void lcdInit() {
 }