linux/string.h: fix comment typo

s/user/used/

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/string.h b/include/linux/string.h
index 810d80d..d18fc19 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -1,7 +1,7 @@
 #ifndef _LINUX_STRING_H_
 #define _LINUX_STRING_H_
 
-/* We don't want strings.h stuff being user by user stuff by accident */
+/* We don't want strings.h stuff being used by user stuff by accident */
 
 #ifndef __KERNEL__
 #include <string.h>