Armbian-zram-config mkfs detecion gets empty string

Author: igorpecovnik

packages/bsp/common/usr/lib/armbian/armbian-zram-config

@@ -19,7 +19,7 @@
 
 # Read mkfs version as it behaves differently after v2.40.1 (Trixie / Plucky ->)
 # mkfs is used to create the zram devices and the ramlog partition
-MKFS_VERSION=$(mkfs --version | grep -oP '\d+\.\d+\.\d+')
+MKFS_VERSION=$(LC_ALL=C mkfs --version 2>&1 | grep -Po 'util-linux\s+\K[0-9]+(\.[0-9]+)*' | head -n1)
 
 # and script configuration
 . /usr/lib/armbian/armbian-common