Comment typo in nodeWindowAgg.c

Hi,

Found a couple of small typos in the comments of nodeWindowAgg.c when
they refer to functions in nodeAgg.c. The pluralities of the function
names (initialize_aggregates and advance_aggregates) are wrong. The
reference to "finalize_aggregate" is correct though.

diff --git a/src/backend/executor/nodeWindowAgg.c
b/src/backend/executor/nodeWindowAgg.c
index c3efe12..51f98c1 100644
*** a/src/backend/executor/nodeWindowAgg.c
--- b/src/backend/executor/nodeWindowAgg.c
*************** static bool window_gettupleslot(WindowOb
*** 181,187 ****

/*
* initialize_windowaggregate
! * parallel to initialize_aggregate in nodeAgg.c
*/
static void
initialize_windowaggregate(WindowAggState *winstate,
--- 181,187 ----

/*
* initialize_windowaggregate
! * parallel to initialize_aggregates in nodeAgg.c
*/
static void
initialize_windowaggregate(WindowAggState *winstate,
*************** initialize_windowaggregate(WindowAggStat
*** 207,213 ****

/*
* advance_windowaggregate
! * parallel to advance_aggregate in nodeAgg.c
*/
static void
advance_windowaggregate(WindowAggState *winstate,
--- 207,213 ----

/*
* advance_windowaggregate
! * parallel to advance_aggregates in nodeAgg.c
*/
static void
advance_windowaggregate(WindowAggState *winstate,

Regards,
Andreas Karlsson