!22 preun remove redundant symbolic links

From: @Linux_zhang2024 
Reviewed-by: @gaoruoshu, @zengwefeng, @zhoupengcheng11 
Signed-off-by: @gaoruoshu, @zengwefeng

cscope.spec

@@ -1,7 +1,7 @@
 Name: cscope
 Summary: a developer's tool for browsing source code
 Version: 15.9
-Release: 6
+Release: 7
 Source0: https://downloads.sourceforge.net/project/%{name}/%{name}/v%{version}/%{name}-%{version}.tar.gz
 URL: http://cscope.sourceforge.net
 License: BSD and GPLv2+
@@ -68,13 +68,15 @@ rm -f %{_datadir}/emacs/site-lisp/xcscope.el
 ln -sf %{_datadir}/%{name}/cctree.vim %{_datadir}/vim/vimfiles/plugin/cctree.vim
 
 %triggerun -- vim-filesystem
-if [ $2 -gt 0 ]
+if [ $1 -eq 0 ] || [ $2 -gt 0 ]
 then
-exit 0
+rm -f %{_datadir}/vim/vimfiles/plugin/cctree.vim ||:
 fi
-rm -f %{_datadir}/vim/vimfiles/plugin/cctree.vim
 
 %changelog
+* Wed Jul 31 2024 zhangruifang <zhangruifang@h-partners.com> - 15.9-7
+- %%preun remove redundant symbolic links
+
 * Mon Oct 24 2022 yanglongkang<yanglongkang@h-partners.com> - 15.9-6
 - rebuild for next release