don't call OnWriteWaiting() if we lost connection in OnReadWaiting() called just before it (closes #10963)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61336 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/unix/private/sockunix.h

@@ -204,7 +204,7 @@ public:
 private:
     // these functions map directly to XtAdd/RemoveInput() or
     // gdk_input_add/remove()
-    virtual int AddInput(wxSocketImpl *handler, int fd, SocketDir d) = 0;
+    virtual int AddInput(wxSocketImplUnix *handler, int fd, SocketDir d) = 0;
     virtual void RemoveInput(int fd) = 0;
 };