Add Unicode 9 beta scripts
These are frozen, so good time to add.
diff --git a/src/hb-common.h b/src/hb-common.h
index 199f648..2cbee76 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -311,6 +311,15 @@
/*8.0*/ HB_SCRIPT_OLD_HUNGARIAN = HB_TAG ('H','u','n','g'),
/*8.0*/ HB_SCRIPT_SIGNWRITING = HB_TAG ('S','g','n','w'),
+ /*
+ * Since 1.3.0
+ */
+ /*9.0*/ HB_SCRIPT_ADLAM = HB_TAG ('A','d','l','m'),
+ /*9.0*/ HB_SCRIPT_BHAIKSUKI = HB_TAG ('B','h','k','s'),
+ /*9.0*/ HB_SCRIPT_MARCHEN = HB_TAG ('M','a','r','c'),
+ /*9.0*/ HB_SCRIPT_OSAGE = HB_TAG ('O','s','g','e'),
+ /*9.0*/ HB_SCRIPT_TANGUT = HB_TAG ('T','a','n','g'),
+ /*9.0*/ HB_SCRIPT_NEWA = HB_TAG ('N','e','w','a'),
/* No script set. */
HB_SCRIPT_INVALID = HB_TAG_NONE,
