tdf#111561: try to fix leak in HIDRemoteControlDevice (apple_remote)

Change-Id: I6539f1cc9612eb3380381a54d3d1d674fd66cc03
Reviewed-on: https://gerrit.libreoffice.org/43329Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

apple_remote/source/HIDRemoteControlDevice.m

@@ -452,6 +452,8 @@ static void QueueCallbackFunction(void* target,  IOReturn result, void* refcon,
 
 			[allCookies addObject: [NSNumber numberWithInt:(int)cookie]];
 		}
+                CFRelease(elements);
+                elements=nil;
 	} else {
 		return NO;
 	}