--- tigervnc-1.0.90-20100420svn4030/common/rfb/ConnParams.cxx.rh600070	2010-06-07 17:01:56.990676103 +0200
+++ tigervnc-1.0.90-20100420svn4030/common/rfb/ConnParams.cxx	2010-06-07 17:02:21.518022631 +0200
@@ -129,7 +129,7 @@ void ConnParams::setEncodings(int nEncod
 	       encodings[i] <= pseudoEncodingQualityLevel9) {
       noJpeg = false;
       qualityLevel = encodings[i] - pseudoEncodingQualityLevel0;
-    } else if (encodings[i] <= encodingMax && Encoder::supported(encodings[i]))
+    } else if (Encoder::supported(encodings[i]))
       currentEncoding_ = encodings[i];
   }
 }
--- tigervnc-1.0.90-20100420svn4030/common/rfb/Encoder.cxx.rh600070	2010-06-07 17:00:34.249636665 +0200
+++ tigervnc-1.0.90-20100420svn4030/common/rfb/Encoder.cxx	2010-06-07 17:02:38.286209287 +0200
@@ -34,12 +34,12 @@ EncoderCreateFnType Encoder::createFns[e
 
 bool Encoder::supported(int encoding)
 {
-  return encoding <= encodingMax && createFns[encoding];
+  return encoding >= 0 && encoding <= encodingMax && createFns[encoding];
 }
 
 Encoder* Encoder::createEncoder(int encoding, SMsgWriter* writer)
 {
-  if (encoding <= encodingMax && createFns[encoding])
+  if (supported(encoding))
     return (*createFns[encoding])(writer);
   return 0;
 }