This patch fixed "make gconfig" with POSIXLY_CORRECT=1 set.

This issue was reported by Jens Elkner <elkner@linofee.org> in kernel
Bugzilla #2919.
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>