x86: coding style fixes to arch/x86/kernel/sys_i386_32.c

Before:
total: 16 errors, 25 warnings, 246 lines checked

After:
total: 0 errors, 7 warnings, 246 lines checked

Compile tested.

paolo@paolo-desktop:/tmp$ size sys*
   text    data     bss     dec     hex filename
   1209       0       0    1209     4b9 sys_i386_32.o.after
   1209       0       0    1209     4b9 sys_i386_32.o.before

paolo@paolo-desktop:/tmp$ md5sum sys*
6144f6d6ce7342c3e192681a1ccaa1c1  sys_i386_32.o.after
6144f6d6ce7342c3e192681a1ccaa1c1  sys_i386_32.o.before

Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>