Ignore the "OSError: [WinError 0] The operation completed successfully" exception in Windows.

gns3server/server.py

@@ -225,6 +225,11 @@ class Server:
 
         try:
             self._loop.run_forever()
+        except OSError as e:
+            # This is to ignore OSError: [WinError 0] The operation completed successfully
+            # exception on Windows.
+            if not sys.platform.startswith("win") and not e.winerror == 0:
+                raise
         except TypeError as e:
             # This is to ignore an asyncio.windows_events exception
             # on Windows when the process gets the SIGBREAK signal