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drivers, samsung-laptop: fix usage of isalnum

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linux/ctype.h is needed for isalnum() to avoid a build error:

drivers/platform/x86/samsung-laptop.c: In function ‘samsung_sabi_diag’:
drivers/platform/x86/samsung-laptop.c:1306: error: implicit declaration of function ‘isalnum’

Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
David Rientjes 2012-03-20 09:53:06 +01:00 committed by Matthew Garrett
parent 8522944085
commit 82c333aaf4
1 changed files with 1 additions and 0 deletions
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drivers/platform/x86/samsung-laptop.c
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@ -25,6 +25,7 @@
#include <linux/acpi.h>
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/ctype.h>
/*
* This driver is needed because a number of Samsung laptops do not hook