Documentation: fix getdelays.c printf bug

Commit b663a79c191508f27cd885224b592a878c0ba0f6 ("taskstats: add
context-switch counters") incorrectly removed a comma from a printf
statement.  This causes corruption in the output printing or a seg
fault.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --cc Documentation/accounting/getdelays.c
Simple merge