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

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/scripts/extract-ikconfig b/scripts/extract-ikconfig
index be2e579..8187e6f 100755
--- a/scripts/extract-ikconfig
+++ b/scripts/extract-ikconfig
@@ -21,7 +21,7 @@
     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