[syllabic] Add hb-ot-shape-complex-syllabic.cc/hh

Empty for now.

Part of https://github.com/harfbuzz/harfbuzz/issues/1810
diff --git a/src/hb-ot-shape-complex-syllabic.hh b/src/hb-ot-shape-complex-syllabic.hh
new file mode 100644
index 0000000..621f37e
--- /dev/null
+++ b/src/hb-ot-shape-complex-syllabic.hh
@@ -0,0 +1,33 @@
+/*
+ * Copyright © 2021  Behdad Esfahbod.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ */
+
+#ifndef HB_OT_SHAPE_COMPLEX_SYLLABIC_HH
+#define HB_OT_SHAPE_COMPLEX_SYLLABIC_HH
+
+#include "hb.hh"
+
+#include "hb-ot-shape-complex.hh"
+
+
+#endif /* HB_OT_SHAPE_COMPLEX_SYLLABIC_HH */