(back_comment): Add null default in switch for pcc.

diff --git a/src/syntax.c b/src/syntax.c
index 43081e2..b30635f 100644 (file)
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -594,6 +594,7 @@ back_comment (from, from_byte, stop, comnested, comstyle, charpos_ptr, bytepos_p
          break;
 
        default:
+         continue;
        }
     }