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

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

libtool.spec

@@ -4,7 +4,7 @@
 Name:    libtool
 Version: 2.4.6
 Release: 35
-License: GPLv2+ and LGPLv2+ and GFDLv1.3+
+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
@@ -104,8 +104,8 @@ rm -f %{buildroot}%{_libdir}/libltdl.{a,la}
 
 
 %changelog
-* Fri Apr 22 2022 renhongxun <renhongxun@h-partners.com> - 2.4.6-35
-- update license from GFDL to GFDLv1.3+
+* Fri Apr 22 2022 renhongxun <renhongxun@h-partners.com> 2.4.6-35
+- update license from GFDL to GFDL-1.3-or-later
 
 * Fri Jul 23 2021 yuanxin <yuanxin24@huawei.com> - 2.4.6-34
 - remove BuildRequires gdb