sync with glibc

libpthread/linuxthreads.old_db/Versions

@@ -18,4 +18,7 @@ libthread_db {
   GLIBC_2.3 {
     td_thr_tls_get_addr;
   }
+  GLIBC_2.3.3 {
+    td_thr_tlsbase;
+  }
 }