Remove unused variable.

Alexander Korotkov · Alexander Korotkov · commit df18c66914dd · 2016-10-04T16:47:01.000+03:00
diff --git a/pg_wait_sampling.c b/pg_wait_sampling.c
@@ -301,7 +301,6 @@ pg_wait_sampling_get_current(PG_FUNCTION_ARGS)
 {
 	FuncCallContext 	*funcctx;
 	WaitCurrentContext 	*params;
-	HistoryItem 		*currentState;
 
 	check_shmem();
 
@@ -371,7 +370,6 @@ pg_wait_sampling_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
`@@ -301,7 +301,6 @@ pg_wait_sampling_get_current(PG_FUNCTION_ARGS)`
`301`	`301`	`{`
`302`	`302`	`FuncCallContext *funcctx;`
`303`	`303`	`WaitCurrentContext *params;`
`304`		`- HistoryItem *currentState;`
`305`	`304`
`306`	`305`	`check_shmem();`
`307`	`306`
`@@ -371,7 +370,6 @@ pg_wait_sampling_get_current(PG_FUNCTION_ARGS)`
`371`	`370`	`/* stuff done on every call of the function */`
`372`	`371`	`funcctx = SRF_PERCALL_SETUP();`
`373`	`372`	`params = (WaitCurrentContext *) funcctx->user_fctx;`
`374`		`- currentState = NULL;`
`375`	`373`
`376`	`374`	`if (funcctx->call_cntr < funcctx->max_calls)`
`377`	`375`	`{`