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

no code changed:

arch/x86/oprofile/op_model_ppro.o:
   text    data     bss     dec     hex filename
   1765       0      16    1781     6f5 op_model_ppro.o.before
   1765       0      16    1781     6f5 op_model_ppro.o.after
md5:
71c7f68d2197d686e3d1121bc18a6b6e  op_model_ppro.o.before.asm
71c7f68d2197d686e3d1121bc18a6b6e  op_model_ppro.o.after.asm

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