[PATCH] sched: uninline inc/dec_nr_running()

uninline inc_nr_running() and dec_nr_running():

   text    data     bss     dec     hex filename
   29039    4162      24   33225    81c9 sched.o.before
   29027    4162      24   33213    81bd sched.o.after

Signed-off-by: Ingo Molnar <mingo@elte.hu>