smatch: check libld_* allocation functions

*** 136,144 ****
--- 136,148 ----
          add_hook(&match_function_def, FUNC_DEF_HOOK);
          if (option_project == PROJ_KERNEL)
                  add_function_hook("kfree", &match_kfree, NULL);
          else
                  add_function_hook("free", &match_kfree, NULL);
+ 
+         if (option_project == PROJ_ILLUMOS_USER)
+                 add_function_hook("libld_free", &match_kfree, NULL);
+ 
          add_hook(&match_return, RETURN_HOOK);
          add_hook(&match_end_func, END_FUNC_HOOK);
          add_hook(&match_after_func, AFTER_FUNC_HOOK);
  }