Init scaled_width and scaled_width by zero
in the ScaledPixelBuffer default constructor.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@642 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/ScaledPixelBuffer.cxx b/common/rfb/ScaledPixelBuffer.cxx
index e590580..568b26b 100644
--- a/common/rfb/ScaledPixelBuffer.cxx
+++ b/common/rfb/ScaledPixelBuffer.cxx
@@ -36,8 +36,9 @@
 }
 
 ScaledPixelBuffer::ScaledPixelBuffer() 
-  : src_data(0), src_width(0), src_height(0), scale_ratio(1),
-    pf(PixelFormat(32,24,0,1,255,255,255,0,8,16)), scaled_data(0) {
+  : src_data(0), src_width(0), src_height(0), scale_ratio(1), scaled_width(0), 
+    scaled_height(0), pf(PixelFormat(32,24,0,1,255,255,255,0,8,16)), 
+    scaled_data(0) {
 }
 
 ScaledPixelBuffer::~ScaledPixelBuffer() {