use local keywords only once for version variable

pbc

@@ -112,12 +112,12 @@ function cleanup_tmpdir() {
 
 function install_proxmox_backup_client() {
   local update=${1:-false}
+  local version
 
   [ -f "$PBC" ] && local installed=true || local installed=false
   ! $installed && update=false
 
   if $installed && ! $update; then
-    local version
     version=$(pbc-version) || return 10
     echo "Info: skip installation of proxmox-backup-client, already installed ($version)"
     return 0
@@ -154,7 +154,7 @@ function install_proxmox_backup_client() {
   echo "Info: copying proxmox-backup-client static binary to $PBC ..."
   ! cp "$TMPDIR/usr/bin/proxmox-backup-client" "$PBC" && echo "Error copying binary!" >&2 && return 60
 
-  local version=$(pbc-version) || return $?
+  version=$(pbc-version) || return $?
   $update && action='updated' || action='installed'
   echo "Info: successfully $action proxmox-backup-$version"