Avoid intersecting screen with empty clipList in vncHooksCopyArea. The
result would be empty, which means that we are not sending CopyRect
updates even though we can. Improves vertical scrolling with Firefox
and Adobe reader.



git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4324 3789f03b-4d11-0410-bbf8-ca57d06f2519
1 file changed