Add missing virtual destructors
Fix warnings emitted by Clang:
/home/shade/dev/tigervnc/common/rdr/FdInStream.h:30:9: error: 'rdr::FdInStreamBlockCallback' has virtual functions but non-virtual destructor [-Werror,-Wnon-virtual-dtor]
class FdInStreamBlockCallback {
^
In file included from /home/shade/dev/tigervnc/common/network/TcpSocket.cxx:44:
In file included from /home/shade/dev/tigervnc/common/network/TcpSocket.h:31:
/home/shade/dev/tigervnc/common/network/Socket.h:82:9: error: 'network::ConnectionFilter' has virtual functions but non-virtual destructor [-Werror,-Wnon-virtual-dtor]
class ConnectionFilter {
^
..etc
diff --git a/common/rdr/FdInStream.h b/common/rdr/FdInStream.h
index 5d9598c..b4c8765 100644
--- a/common/rdr/FdInStream.h
+++ b/common/rdr/FdInStream.h
@@ -30,6 +30,7 @@
class FdInStreamBlockCallback {
public:
virtual void blockCallback() = 0;
+ virtual ~FdInStreamBlockCallback() {}
};
class FdInStream : public InStream {