Merge pull request LibreELEC#3121 from antonlacon/mkimage-fixup

scripts/mkimage: die is unknown; exit 1

Author: MilhouseVH

scripts/mkimage

@@ -44,11 +44,11 @@ show_error() {
   if [ -s "${SAVE_ERROR}" ]; then
     cat "${SAVE_ERROR}"
   else
-    echo "Folder $LE_TMP might be out of free space..."
+    echo "Folder ${LE_TMP} might be out of free space..."
   fi
-  echo 
+  echo
   cleanup
-  die
+  exit 1
 }
 
 trap cleanup SIGINT