Fix SC2162.

cdist/conf/type/__rsync/gencode-local

@@ -29,7 +29,7 @@ fi
 
 set --
 if [ -f "$__object/parameter/rsync-opts" ]; then
-    while read opts; do
+    while read -r opts; do
         set -- "$@" "--$opts"
     done < "$__object/parameter/rsync-opts"
 fi

cdist/conf/type/__ssh_authorized_key/gencode-remote

@@ -78,7 +78,7 @@ if [ -s "$__object/explorer/entry" ]; then
    # Note that the files have to be sorted for comparison with `comm`.
    sort "$__object/explorer/entry" > "$__object/files/is"
    comm -13 "$__object/files/should" "$__object/files/is" | {
-      while read entry; do
+      while read -r entry; do
          remove_line "$file" "$entry"
       done
    }