Make sure we send a full FBUR whenever forceNonincremental=true (which it is during the initial FBUR.)  This specifically fixes an issue whereby a black screen would be displayed when initially connecting to the OS X built-in VNC server.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4968 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/java/com/tigervnc/vncviewer/CConn.java b/java/com/tigervnc/vncviewer/CConn.java
index 5c4908a..cd547ab 100644
--- a/java/com/tigervnc/vncviewer/CConn.java
+++ b/java/com/tigervnc/vncviewer/CConn.java
@@ -673,7 +673,7 @@
     if (forceNonincremental || !continuousUpdates) {
       pendingUpdate = true;
       writer().writeFramebufferUpdateRequest(new Rect(0,0,cp.width,cp.height),
-                                                 !formatChange);
+                                                 !formatChange && !forceNonincremental);
     }
 
     forceNonincremental = false;