1730 DTrace should ignore type information from modules with cth_parlabel mismatches
Reviewed by: Keith Wesolowski <keith.wesolowski@joyent.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>

@@ -72,10 +72,11 @@
         ctf_label_iter;
         ctf_label_topmost;
         ctf_member_info;
         ctf_parent_file;
         ctf_parent_name;
+        ctf_parent_label;
         ctf_set_array;
         ctf_type_align;
         ctf_type_cmp;
         ctf_type_compat;
         ctf_type_pointer;