Fix more weird compiler messages caused

by unmatched function prototypes.

Andres Freund

Author: simonat2ndQuadrant

src/include/commands/event_trigger.h

@@ -36,8 +36,8 @@ extern void RemoveEventTriggerById(Oid ctrigOid);
 extern Oid	get_event_trigger_oid(const char *trigname, bool missing_ok);
 
 extern void AlterEventTrigger(AlterEventTrigStmt *stmt);
-extern void RenameEventTrigger(const char* trigname, const char *newname);
-extern void AlterEventTriggerOwner(const char *name, Oid newOwnerId);
+extern Oid RenameEventTrigger(const char* trigname, const char *newname);
+extern Oid AlterEventTriggerOwner(const char *name, Oid newOwnerId);
 extern void AlterEventTriggerOwner_oid(Oid, Oid newOwnerId);
 
 extern bool EventTriggerSupportsObjectType(ObjectType obtype);

src/include/commands/tablecmds.h

@@ -35,7 +35,7 @@ extern void ATExecChangeOwner(Oid relationOid, Oid newOwnerId, bool recursing, L
 
 extern void AlterTableInternal(Oid relid, List *cmds, bool recurse);
 
-extern void AlterTableNamespace(AlterObjectSchemaStmt *stmt);
+extern Oid AlterTableNamespace(AlterObjectSchemaStmt *stmt);
 
 extern void AlterTableNamespaceInternal(Relation rel, Oid oldNspOid,
 							Oid nspOid, ObjectAddresses *objsMoved);