Remove NullPool visibility hack
We keep a separate private NullPool in libharfbuzz-subset.so
This can fire back later since now there are two separate null objects,
and comparisons to the null pool can be confused. Something to deal
with when it comes up. Ouch!
diff --git a/src/hb-subset.cc b/src/hb-subset.cc
index 5849efd..7215b60 100644
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@@ -34,6 +34,10 @@
#include "hb-ot-glyf-table.hh"
+
+const void * const OT::_hb_NullPool[HB_NULL_POOL_SIZE / sizeof (void *)] = {};
+
+
struct hb_subset_profile_t {
hb_object_header_t header;
ASSERT_POD ();
