sh.zio.backup: fix error message

usr/local/bin/sh.zio.backup

@@ -304,6 +304,7 @@ elif [[ "$1" == "rescue" ]]; then
         --target "/srv/dumps/$host/restic/$snapshot" \
         "$snapshot"
 elif [[ "$1" == "toggle-mount" ]]; then
+    mkdir -p "$restic_mount_path"
     test_restic_mount="$(mountpoint "$restic_mount_path")"
 
     if [[ $? == 0 ]]; then
@@ -318,7 +319,6 @@ elif [[ "$1" == "toggle-mount" ]]; then
         fi
     else
         say info "Mounting: $restic_mount_path"
-        mkdir -p "$restic_mount_path"
         invoke_restic mount "$restic_mount_path" &>/dev/null & disown;
     fi
 else