[subset] return bool not hb_bool_t from table::subset

src/hb-ot-cmap-table.hh

@@ -590,7 +590,7 @@ struct cmap
     return true;
   }
 
-  inline hb_bool_t subset (hb_subset_plan_t *plan) const
+  inline bool subset (hb_subset_plan_t *plan) const
   {
     hb_auto_array_t<CmapSubtableLongGroup> groups;
 

src/hb-ot-maxp-table.hh

@@ -61,7 +61,7 @@ struct maxp
 			  (version.major == 0 && version.minor == 0x5000u)));
   }
 
-  inline hb_bool_t subset (hb_subset_plan_t *plan) const
+  inline bool subset (hb_subset_plan_t *plan) const
   {
     hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (hb_face_reference_table (plan->source, HB_OT_TAG_maxp));
     hb_blob_t *maxp_prime_blob = hb_blob_create_sub_blob (maxp_blob, 0, -1);

src/hb-ot-os2-table.hh

@@ -49,7 +49,7 @@ struct os2
     return_trace (c->check_struct (this));
   }
 
-  inline hb_bool_t subset (hb_subset_plan_t *plan) const
+  inline bool subset (hb_subset_plan_t *plan) const
   {
     hb_blob_t *os2_blob = OT::Sanitizer<OT::os2>().sanitize (hb_face_reference_table (plan->source, HB_OT_TAG_os2));
     hb_blob_t *os2_prime_blob = hb_blob_create_sub_blob (os2_blob, 0, -1);

src/hb-subset.cc

@@ -80,7 +80,7 @@ hb_subset_profile_destroy (hb_subset_profile_t *profile)
 }
 
 template<typename TableType>
-static hb_bool_t
+static bool
 _subset (hb_subset_plan_t *plan)
 {
     OT::Sanitizer<TableType> sanitizer;