Unbreak arm-none-eabi build again (#514)

diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 0232b30..02aab08 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -200,7 +200,7 @@
     cat = OT_Symbol;
     ASSERT_STATIC ((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol);
   }
-  else if (unlikely (hb_in_range (u, 0x17CDu, 0x17D1u) ||
+  else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x17CDu, 0x17D1u) ||
 		     u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
   {
     /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier.