Partly revert recent changes removing #imports and #includes, under OpenChange, as they cause more problems than they solve.

OpenChange/MAPIStoreActiveTables.m

@@ -24,8 +24,13 @@
    instances of a given table, independently from its store and context.
    Primary useful for notifications across different connections. */
 
+#import <Foundation/NSArray.h>
+#import <Foundation/NSString.h>
 
+#import "MAPIStoreFolder.h"
+#import "MAPIStoreTable.h"
 
+#import "MAPIStoreActiveTables.h"
 
 @interface MAPIStoreActiveTableRecord : NSObject
 {