Fix incorrect field type for PlannedStmt.jitFlags in outfuncs/readfuncs.

This field was a bool at one point, but now it's an int.
Spotted by Hari Babu; trivial patch is by Ashutosh Bapat.

Discussion: https://postgr.es/m/CAJrrPGedKiFE2fqntSauUfhapCksOJzam+QtHfSgx86LhXLeOQ@mail.gmail.com

src/backend/nodes/outfuncs.c

@@ -272,7 +272,7 @@ _outPlannedStmt(StringInfo str, const PlannedStmt *node)
 	WRITE_BOOL_FIELD(transientPlan);
 	WRITE_BOOL_FIELD(dependsOnRole);
 	WRITE_BOOL_FIELD(parallelModeNeeded);
-	WRITE_BOOL_FIELD(jitFlags);
+	WRITE_INT_FIELD(jitFlags);
 	WRITE_NODE_FIELD(planTree);
 	WRITE_NODE_FIELD(rtable);
 	WRITE_NODE_FIELD(resultRelations);

src/backend/nodes/readfuncs.c

@@ -1518,7 +1518,7 @@ _readPlannedStmt(void)
 	READ_BOOL_FIELD(transientPlan);
 	READ_BOOL_FIELD(dependsOnRole);
 	READ_BOOL_FIELD(parallelModeNeeded);
-	READ_BOOL_FIELD(jitFlags);
+	READ_INT_FIELD(jitFlags);
 	READ_NODE_FIELD(planTree);
 	READ_NODE_FIELD(rtable);
 	READ_NODE_FIELD(resultRelations);