For the purpose of downloading Galera library keep sles distro name

buildbot/maria-master.cfg

@@ -1782,13 +1782,14 @@ fi
 
 arch=""" + arch + """
 distro=""" + distro + """
+galera_distro=$distro
 
 if [[ "$distro" == "sles123" ]] || [[ "$distro" == "sles125" ]] ; then
     distro="sles12"
 fi
 
-distro=`echo $distro | sed -e 's/rhel7/centos7/'`
-distro=`echo $distro | sed -e 's/centos8/rhel8/'`
+galera_distro=`echo $galera_distro | sed -e 's/rhel7/centos7/'`
+galera_distro=`echo $galera_distro | sed -e 's/centos8/rhel8/'`
 
 repo_dist_arch=$distro-$arch
 echo "Architecture and distribution based on VM name: $repo_dist_arch"
@@ -2119,7 +2120,7 @@ case "%(branch)s" in
 esac
 
 cd rpms
-if ! wget https://hasky.askmonty.org/builds/mariadb-${GALERA_VERSION}.x/latest/kvm-${galera_location}-${distro}-${arch}-gal/rpms/ --recursive -np -R "index.html*" -nH --cut-dirs=5 --no-check-certificate ; then
+if ! wget https://hasky.askmonty.org/builds/mariadb-${GALERA_VERSION}.x/latest/kvm-${galera_location}-${galera_distro}-${arch}-gal/rpms/ --recursive -np -R "index.html*" -nH --cut-dirs=5 --no-check-certificate ; then
   echo "ERROR: Could not download the Galera library"
   exit 1
 fi