x86: coding style fixes to arch/x86/oprofile/nmi_timer_int.c

Before:
   total: 3 errors, 0 warnings, 69 lines checked
After:
   total: 0 errors, 0 warnings, 69 lines checked

No code changed:

arch/x86/oprofile/nmi_timer_int.o:

   text	   data	    bss	    dec	    hex	filename
    180	     12	      0	    192	     c0	nmi_timer_int.o.before
    180	     12	      0	    192	     c0	nmi_timer_int.o.after

md5:
   0433c31d758e81da574e01722a8036ea  nmi_timer_int.o.before.asm
   0433c31d758e81da574e01722a8036ea  nmi_timer_int.o.after.asm

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