[GSUB] Fix would_apply() for LigatureSubst

diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index 9a72c23..007d21c 100644 (file)
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -965,6 +965,7 @@ struct SubstLookupSubTable
     case Single:               return u.single.would_apply (c);
     case Multiple:             return u.multiple.would_apply (c);
     case Alternate:            return u.alternate.would_apply (c);
+    case Ligature:             return u.ligature.would_apply (c);
     case Context:              return u.context.would_apply (c);
     case ChainContext:         return u.chainContext.would_apply (c);
     case Extension:            return u.extension.would_apply (c);