[indic/myanmar] Simplify compare functions
diff --git a/src/hb-ot-shaper-indic.cc b/src/hb-ot-shaper-indic.cc
index 717fbb0..33f1ed9 100644
--- a/src/hb-ot-shaper-indic.cc
+++ b/src/hb-ot-shaper-indic.cc
@@ -461,7 +461,7 @@
   int a = pa->indic_position();
   int b = pb->indic_position();
 
-  return a < b ? -1 : a == b ? 0 : +1;
+  return (int) a - (int) b;
 }