fix(config): typo

Signed-off-by: Boris Glimcher <36732377+glimchb@users.noreply.github.com>

Author: glimchb

sztp-server/docker-entrypoint.sh

@@ -25,7 +25,7 @@ declare -a names
 for vendor in my
 do
     names+=("${vendor^^}_BOOT_IMG_HASH_VAL" "${vendor^^}_CONFIG_B64")
-    export ${vendor^^}_BOOT_IMG_HASH_VAL="$(openssl dgst -sha256 -c  ./media/${vendor,,}-boot-image.img | awk '{print $2}')"
+    export ${vendor^^}_BOOT_IMG_HASH_VAL="$(openssl dgst -sha256 -c  /media/${vendor,,}-boot-image.img | awk '{print $2}')"
     export ${vendor^^}_CONFIG_B64="$(openssl enc -base64 -A -in      /mnt/${vendor,,}-configuration.xml)"
     for item in pre post
     do