libvncclient/vncviewer.c: don't set serverPort in rfbInitClient().

The serverPort member is already set in rfbGetClient(), if we
set it again in rfbInitClient(), this breaks playing of vncrec
files (this relies on serverPort set to -1).
Signed-off-by: Christian Beier <dontmind@freeshell.org>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

libvncclient/vncviewer.c

@@ -306,7 +306,6 @@ rfbBool rfbInitClient(rfbClient* client,int* argc,char** argv) {
 
 	if(client->serverHost)
 	  free(client->serverHost);
-        client->serverPort = 5900;
 
 	if(colon) {
 	  client->serverHost = strdup(argv[i]);