!12 modify license

From: @panxh_purple 
Reviewed-by: @xiezhipeng1 
Signed-off-by: @xiezhipeng1

flex.spec

@@ -1,8 +1,8 @@
 Name: flex
 Version: 2.6.4
-Release: 3
+Release: 4
 Summary: A fast lexical analyzer generator
-License: BSD and LGPLv2+
+License: BSD
 URL: https://github.com/westes/flex
 Source0: https://github.com/westes/flex/releases/download/v%{version}/flex-%{version}.tar.gz
 
@@ -100,6 +100,9 @@ fi
 %{_mandir}/man1/*
 
 %changelog
+* Mon Jun 13 2022 panxiaohe <panxh.life@foxmail.com> - 2.6.4-4
+- modify license
+
 * Fri May 28 2021 yangzhuangzhuang<yangzhuangzhuang1@huawei.com> - 2.6.4-3
 - The autoreconf command is used during compilation.
   Therefore,the automake and autoconf compilation dependencies need to added.