stop auto updates

pEpMacOSAdapter/pEpUpdater.mm

@@ -37,6 +37,16 @@ NSString* CONFIG_PATH = @"/Library/Application Support/pEp/Updater";
     }
 }
 
+- (void)stopUpdates
+{
+    NSLog(@"stop auto updates");
+
+    if (self.timer) {
+        [self.timer invalidate];
+        self.timer = nil;
+    }
+}
+
 - (void)updateAll:(NSTimer*)timer
 {
     NSLog(@"update all registered products");