Fix build on 32-bit and 64-bit Windows


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@5051 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/vncviewer/CConn.cxx b/vncviewer/CConn.cxx
index e4d55aa..97e35ba 100644
--- a/vncviewer/CConn.cxx
+++ b/vncviewer/CConn.cxx
@@ -192,7 +192,7 @@
   Fl::wait((double)next_timer / 1000.0);
 }
 
-void CConn::socketEvent(int fd, void *data)
+void CConn::socketEvent(FL_SOCKET fd, void *data)
 {
   CConn *cc;
   static bool recursing = false;