[PATCH] extract-ikconfig: don't use --long-options

[Alexey Dobriyan <adobriyan@gmail.com>]

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

 scripts/extract-ikconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/scripts/extract-ikconfig
+++ b/scripts/extract-ikconfig
@@ -21,7 +22,7 @@ function dump_config {
     let start="$start + 8"
     let size="$end - $start"
 
-    head --bytes="$end" "$file" | tail --bytes="$size" | zcat
+    dd if="$file" ibs=1 skip="$start" count="$size" 2>/dev/null | zcat
 
     clean_up
     exit 0

-
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