catch exceptions when cleaning up hidden services

onionshare/onionshare.py

@@ -67,6 +67,8 @@ class OnionShare(object):
         self.cleanup_filenames = []
 
     def cleanup(self):
+        # cleanup hidden service
+        try:
             if self.controller:
                 # Get fresh hidden services (maybe changed since last time)
                 # and remove ourselves
@@ -80,6 +82,10 @@ class OnionShare(object):
                     self.controller.set_options(hsdic2list(hsdic))
                 # Politely close the controller
                 self.controller.close()
+        except:
+            pass
+
+        # cleanup files
         for filename in self.cleanup_filenames:
             if os.path.isfile(filename):
                 os.remove(filename)