!15 update license from GFDL to GFDL-1.3-or-later

From: @renxichen 
Reviewed-by: @licihua 
Signed-off-by: @licihua

libtool.spec

@@ -3,8 +3,8 @@
 
 Name:    libtool
 Version: 2.4.6
-Release: 33
-License: GPLv2+ and LGPLv2+ and GFDL
+Release: 34
+License: GPLv2+ and LGPLv2+ and GFDL-1.3-or-later
 Summary: The GNU Portable Library Tool
 URL:     http://www.gnu.org/software/libtool/
 Source0:  http://ftp.gnu.org/gnu/libtool/libtool-%{version}.tar.xz
@@ -104,6 +104,9 @@ rm -f %{buildroot}%{_libdir}/libltdl.{a,la}
 
 
 %changelog
+* Fri Apr 22 2022 renhongxun <renhongxun@h-partners.com> - 2.4.6-34
+- update license from GFDL to GFDL-1.3-or-later
+
 * Sat May 29 2021 shixuantong <shixuantong@huawei.com> - 2.4.6-33
 - fix F77 language support, Fortran language support, Libtool stress test fail on standard_x86_64