x86, doc: Fix minor spelling error in arch/x86/mm/gup.c
x86, doc: Fix minor spelling error in arch/x86/mm/gup.c

Fix minor spelling error in comment.  No code change.

Signed-off-by: Andy Shevchenko <f22fd278e04b059f9eabb8d18172c92cd71ea30e@nokia.com>
LKML-Reference: <0d8328e4f637881e84420c462a2c6712138b28ca@imap1.linux-foundation.org>
Cc: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@elte.hu>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: H. Peter Anvin <8a453bad9912ffe59bc0f0b8abe03df9be19379e@zytor.com>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs