chatlib: do not send chat messages to controlled bots

graph: first try more memory friendly bsp size check
build: restore ssse3 & ssse3 instructions (use nosmid version if needed)
Co-Authored-By: Max <161382234+dyspose@users.noreply.github.com>

src/vistable.cpp

@@ -169,7 +169,7 @@ void GraphVistable::load () {
       m_rebuild = false;
    }
    else {
-      m_vistable.resize (cr::sqrf (m_length));
+      m_vistable.resize (static_cast <size_t> (cr::sqrf (m_length)));
       m_notifyMsgTimestamp = game.time ();
    }
 }