windows: SDL_immdevice needs SDL_timer.h include
diff --git a/src/core/windows/SDL_immdevice.c b/src/core/windows/SDL_immdevice.c
index 5373ce9..71c78c6 100644
--- a/src/core/windows/SDL_immdevice.c
+++ b/src/core/windows/SDL_immdevice.c
@@ -24,6 +24,7 @@
#include "SDL_windows.h"
#include "SDL_immdevice.h"
+#include "SDL_timer.h"
#include "../../audio/SDL_sysaudio.h"
#include <objbase.h> /* For CLSIDFromString */