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

OpenChange/MAPIStoreContactsAttachment.m

@@ -20,13 +20,20 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#import <Foundation/NSCalendarDate.h>
+#import <Foundation/NSString.h>
+#import <NGExtensions/NGBase64Coding.h>
+#import <NGCards/NGVCardPhoto.h>
 
+#import "MAPIStoreTypes.h"
 #import "NSData+MAPIStore.h"
 #import "NSDate+MAPIStore.h"
 #import "NSObject+MAPIStore.h"
 #import "NSString+MAPIStore.h"
 
+#import "MAPIStoreContactsAttachment.h"
 
+#include <mapistore/mapistore_errors.h>
 
 /* TODO: handle URL pictures via PidTagAttachMethod = ref ? */