Merge branch 'master' of https://github.com/lprylli/tigervnc

common/rfb/Congestion.cxx

@@ -70,7 +70,7 @@ static const unsigned MAXIMUM_WINDOW = 4194304;
 
 // Compare position even when wrapped around
 static inline bool isAfter(unsigned a, unsigned b) {
-  return (int)a - (int)b > 0;
+  return a != b && a - b <= UINT_MAX / 2;
 }
 
 static LogWriter vlog("Congestion");