Fix "Warning: extra ";" ignored."
diff --git a/src/hb.hh b/src/hb.hh
index fa6a740..e3faf17 100644
--- a/src/hb.hh
+++ b/src/hb.hh
@@ -365,10 +365,10 @@
 #else /* __cpluspplus >= 201103L */
 
 #define HB_NO_COPY_ASSIGN(TypeName)
-#define HB_NO_COPY_ASSIGN_TEMPLATE2(TypeName, T1, T2)
-#define HB_NO_CREATE_COPY_ASSIGN(TypeName)
-#define HB_NO_CREATE_COPY_ASSIGN_TEMPLATE(TypeName, T)
-#define HB_NO_CREATE_COPY_ASSIGN_TEMPLATE2(TypeName, T1, T2)
+#define HB_NO_COPY_ASSIGN_TEMPLATE2(TypeName, T1, T2) static_assert (true, "")
+#define HB_NO_CREATE_COPY_ASSIGN(TypeName) static_assert (true, "")
+#define HB_NO_CREATE_COPY_ASSIGN_TEMPLATE(TypeName, T) static_assert (true, "")
+#define HB_NO_CREATE_COPY_ASSIGN_TEMPLATE2(TypeName, T1, T2) static_assert (true, "")
 
 #endif /* __cpluspplus >= 201103L */