--- a/QTfrontend/sdlkeys.h Wed Jan 09 16:27:57 2019 -0500
+++ b/QTfrontend/sdlkeys.h Wed Jan 09 22:09:27 2019 +0100
@@ -30,5 +30,6 @@
extern char controllerdown[128];
extern char controllerleft[128];
extern char controllerright[128];
+extern char unboundcontrol[128];
#endif