8307603: [AIX] Broken build after JDK-8307301

Reviewed-by: stuefe
Backport-of: bb3e44d8b604b4e3facc4f49f625cc0b7ff2abd7

Author: Tyler Steele

src/java.desktop/share/native/libharfbuzz/hb-subset.cc

@@ -43,7 +43,11 @@
 #include "OT/Color/sbix/sbix.hh"
 #include "hb-ot-os2-table.hh"
 #include "hb-ot-post-table.hh"
+
+#if !defined(AIX)
 #include "hb-ot-post-table-v2subset.hh"
+#endif
+
 #include "hb-ot-cff1-table.hh"
 #include "hb-ot-cff2-table.hh"
 #include "hb-ot-vorg-table.hh"