x86/apic: Remove local var in flat_send_IPI_allbutself()

x86/apic: Remove local var in flat_send_IPI_allbutself()

No code changed:

  # arch/x86/kernel/apic/apic_flat_64.o:

   text    data     bss     dec     hex filename
   1838     624       0    2462     99e apic_flat_64.o.before
   1838     624       0    2462     99e apic_flat_64.o.after

md5:
   aa2ae687d94bc4534f86ae6865dabd6a  apic_flat_64.o.before.asm
   42148da76ba8f9a236c33f8803bd2a6b  apic_flat_64.o.after.asm

md5 sum is different due to asm output offsets changing.

Signed-off-by: Borislav Petkov <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>