ie9 predictor hack

ie9.predictor.diff

diff --git a/src/stream.js b/src/stream.js
index fc16317..882e3f7 100644
--- a/src/stream.js
+++ b/src/stream.js
@@ -754,6 +754,10 @@ var PredictorStream = (function PredictorStreamClosure() {
       default:
         error('Unsupported predictor: ' + predictor);
     }
+
+    // hack for TypedArray-less browsers
+    buffer.set(currentRow, bufferLength);
+
     this.bufferLength += rowBytes;
   };