hid: Add the hidsdi.h header.
diff --git a/dlls/hid/main.c b/dlls/hid/main.c
index 7222aad..17eee9a 100644
--- a/dlls/hid/main.c
+++ b/dlls/hid/main.c
@@ -24,6 +24,7 @@
 
 #include "windef.h"
 #include "winbase.h"
+#include "ddk/hidsdi.h"
 
 #include "wine/debug.h"