!15 更新netcdf.spec文件中license为BSD-3-Clause

From: @zjay998 
Reviewed-by: @myeuler 
Signed-off-by: @myeuler

netcdf.spec

@@ -1,10 +1,10 @@
 %global sover 19
 Name:           netcdf
 Version:        4.8.1
-Release:        1
+Release:        2
 Summary:        Libraries for the Unidata network Common Data Form
 
-License:        NetCDF
+License:        BSD-3-Clause
 URL:            https://github.com/Unidata/netcdf-c
 Source0:        https://github.com/Unidata/netcdf-c/archive/v%{version}/%{name}-%{version}.tar.gz
 
@@ -306,6 +306,9 @@ make %{?_smp_mflags} -C build check
 %endif
 
 %changelog
+* Fri Aug 12 2022 Jun Zhang <zhangjun@kylinos.cn> - 4.8.1-2
+- Upgrade license to BSD-3-Clause
+
 * Wed Jun 22 2022 Ge Wang <wangge20@h-partners.com> - 4.8.1-1
 - Upgrade to 4.8.1