In Fedora 28, ganesha SELinux module is removed, for proper upgrade this

modules needs to be removed before SELinux policy for F28 is installed.

Resolves: rhbz#1559174

selinux-policy.spec

@@ -285,6 +285,9 @@ fi; \
 
 %define preInstall() \
 if [ $1 -ne 1 ] && [ -s /etc/selinux/config ]; then \
+     if [ -d %{_sharedstatedir}/selinux/%1/active/modules/100/ganesha ]; then \
+        %{_sbindir}/semodule -n -d ganesha; \
+     fi; \
      . %{_sysconfdir}/selinux/config; \
      FILE_CONTEXT=%{_sysconfdir}/selinux/%1/contexts/files/file_contexts; \
      if [ "${SELINUXTYPE}" = %1 -a -f ${FILE_CONTEXT} ]; then \