winbase.h: Add missing LMEM_INVALID_HANDLE define.
diff --git a/include/winbase.h b/include/winbase.h
index aeee6a0..fbbbbcd 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -404,8 +404,9 @@
#define LMEM_ZEROINIT 0x0040
#define LMEM_MODIFY 0x0080
#define LMEM_DISCARDABLE 0x0F00
-#define LMEM_DISCARDED 0x4000
-#define LMEM_LOCKCOUNT 0x00FF
+#define LMEM_DISCARDED 0x4000
+#define LMEM_INVALID_HANDLE 0x8000
+#define LMEM_LOCKCOUNT 0x00FF
#define LPTR (LMEM_FIXED | LMEM_ZEROINIT)
#define LHND (LMEM_MOVEABLE | LMEM_ZEROINIT)