Remove unused variable.

Alexander Korotkov · Alexander Korotkov · commit df5e01da4972 · 2016-05-13T11:35:22.000+03:00
diff --git a/contrib/pg_stat_wait/pg_stat_wait.c b/contrib/pg_stat_wait/pg_stat_wait.c
@@ -522,7 +522,6 @@ pg_stat_wait_get_current(PG_FUNCTION_ARGS)
 {
 	FuncCallContext 	*funcctx;
 	WaitCurrentContext 	*params;
-	HistoryItem 		*currentState;
 
 	if (SRF_IS_FIRSTCALL())
 	{
@@ -581,7 +580,6 @@ pg_stat_wait_get_current(PG_FUNCTION_ARGS)
 	/* stuff done on every call of the function */
 	funcctx = SRF_PERCALL_SETUP();
 	params = (WaitCurrentContext *)funcctx->user_fctx;
-	currentState = NULL;
 
 	if (funcctx->call_cntr < funcctx->max_calls)
 	{

Original file line number	Diff line number	Diff line change
`@@ -522,7 +522,6 @@ pg_stat_wait_get_current(PG_FUNCTION_ARGS)`
`522`	`522`	`{`
`523`	`523`	`FuncCallContext *funcctx;`
`524`	`524`	`WaitCurrentContext *params;`
`525`		`- HistoryItem *currentState;`
`526`	`525`
`527`	`526`	`if (SRF_IS_FIRSTCALL())`
`528`	`527`	`{`
`@@ -581,7 +580,6 @@ pg_stat_wait_get_current(PG_FUNCTION_ARGS)`
`581`	`580`	`/* stuff done on every call of the function */`
`582`	`581`	`funcctx = SRF_PERCALL_SETUP();`
`583`	`582`	`params = (WaitCurrentContext *)funcctx->user_fctx;`
`584`		`- currentState = NULL;`
`585`	`583`
`586`	`584`	`if (funcctx->call_cntr < funcctx->max_calls)`
`587`	`585`	`{`