Set the default scaled filter to bicubic.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2168 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/ScaledPixelBuffer.cxx b/common/rfb/ScaledPixelBuffer.cxx
index 3e55630..639dcd9 100644
--- a/common/rfb/ScaledPixelBuffer.cxx
+++ b/common/rfb/ScaledPixelBuffer.cxx
@@ -31,7 +31,7 @@
 ScaledPixelBuffer::ScaledPixelBuffer(U8 **src_data_, int src_width_,
                                      int src_height_, int scale, PixelFormat pf_)
   : xWeightTabs(0), yWeightTabs(0), scaled_data(0), scale_ratio(1),
-    scaleFilterID(scaleFilterBilinear) {
+    scaleFilterID(scaleFilterBicubic) {
 
   setSourceBuffer(src_data_, src_width_, src_height_);
   setPF(pf_);
@@ -40,7 +40,7 @@
 ScaledPixelBuffer::ScaledPixelBuffer() 
   : src_data(0), src_width(0), src_height(0), scale_ratio(1), scaled_width(0), 
     xWeightTabs(0), yWeightTabs(0), scaled_height(0), scaled_data(0),
-    scaleFilterID(scaleFilterBilinear) {
+    scaleFilterID(scaleFilterBicubic) {
   memset(&pf, 0, sizeof(pf));
 }