[PATCH] extract-ikconfig: use mktemp(1)

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 d9f9f34..ef6140d 100755
--- a/scripts/extract-ikconfig
+++ b/scripts/extract-ikconfig
@@ -45,7 +45,7 @@
 	exit 1
 fi
 
-TMPFILE="/tmp/ikconfig-$$"
+TMPFILE=`mktemp -t ikconfig-XXXXXX` || exit 1
 image="$1"
 
 # vmlinux: Attempt to dump the configuration from the file directly