x86: uaccess: return value of __{get|put}_user() can be int
x86: uaccess: return value of __{get|put}_user() can be int

Impact: cleanup

The type of return value of __{get|put}_user() can be int.
There is no user to refer the return value of __{get|put}_user() as long.
This reduces code size a bit on 64-bit.

 $ size vmlinux.*
     text	   data	    bss	    dec	    hex	filename
  4509265	 479988	 673588	5662841	 566879	vmlinux.new
  4511462	 479988	 673588	5665038	 56710e	vmlinux.old

Signed-off-by: Hiroshi Shimamoto <db8c2e91c9f58451d767d75787c2de778d30f637@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@elte.hu>

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