bootloader installation: variable format clean-up

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

diff --git a/proxinstall b/proxinstall
index c0274a2530c27a33a0cfd420998879bdb3da88a2..d385bc5212394f9e77ab8438e6f30313fc33c148 100755 (executable)
--- a/proxinstall
+++ b/proxinstall
@@ -705,12 +705,8 @@ sub extract_data {
 
     my $bootdevinfo = [];
 
-    my $swapfile;
-    my $rootdev;
-    my $datadev;
-
-    my $use_zfs = 0;
-    my $use_btrfs = 0;
+    my ($swapfile, $rootdev, $datadev);
+    my ($use_zfs, $use_btrfs) = (0, 0);
 
     my $filesys = $config_options->{filesys};