gas obj-elf.c memory leaks

	* config/obj-elf.c (obj_elf_section): Use notes_memdup for
	linked_to_symbol_name.
	(obj_elf_find_and_add_versioned_name): Use notes_alloc for
	versioned_name.
diff --git a/gas/config/obj-elf.c b/gas/config/obj-elf.c
index e4443e2..c4af018 100644
--- a/gas/config/obj-elf.c
+++ b/gas/config/obj-elf.c
@@ -1370,7 +1370,8 @@
 		  (void) restore_line_pointer (c);
 		  length = input_line_pointer - beg;
 		  if (length)
-		    match.linked_to_symbol_name = xmemdup0 (beg, length);
+		    match.linked_to_symbol_name
+		      = notes_memdup (beg, length, length + 1);
 		}
 	    }
 	  else if ((attr & SHF_LINK_ORDER) != 0 && inherit
@@ -1811,9 +1812,8 @@
       return versioned_name;
 
   /* Add this versioned name to the head of the list,  */
-  versioned_name = (struct elf_versioned_name_list *)
-    xmalloc (sizeof (*versioned_name));
-  versioned_name->name = xstrdup (version_name);
+  versioned_name = notes_alloc (sizeof (*versioned_name));
+  versioned_name->name = notes_strdup (version_name);
   versioned_name->next = sy_obj->versioned_name;
   sy_obj->versioned_name = versioned_name;