[config] Fix CoreText build with NO_AAT

src/hb-aat-layout.cc

@@ -75,9 +75,6 @@ AAT::hb_aat_apply_context_t::set_ankr_table (const AAT::ankr *ankr_table_)
 #endif
 
 
-#ifndef HB_NO_AAT
-
-
 /**
  * SECTION:hb-aat-layout
  * @title: hb-aat-layout
@@ -88,6 +85,8 @@ AAT::hb_aat_apply_context_t::set_ankr_table (const AAT::ankr *ankr_table_)
  **/
 
 
+#if !defined(HB_NO_AAT) || defined(HAVE_CORETEXT)
+
 /* Table data courtesy of Apple.  Converted from mnemonics to integers
  * when moving to this file. */
 static const hb_aat_feature_mapping_t feature_mappings[] =
@@ -179,7 +178,10 @@ hb_aat_layout_find_feature_mapping (hb_tag_t tag)
 							sizeof (feature_mappings[0]),
 							hb_aat_feature_mapping_t::cmp);
 }
+#endif
+
 
+#ifndef HB_NO_AAT
 
 /*
  * mort/morx/kerx/trak