Forcing size to 0x0 freezes the app

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Press "force size" button. 
2. Enter 0 (zero) for both dimensions.
3. See it frozen.

What is the expected output? What do you see instead?
Some warning or error.

What version of the product are you using (you can see this by using Menu
-> About in the Host List)?
1.7.1 2010.10.08

What type of system are you trying to connect to?
Any.

If you are able to connect, what is the output of "echo $TERM", "uname -a",
and any other relevant information on the host?
This isn't related.

Please provide any additional information below.

Original issue reported on code.google.com by radioano...@gmail.com on 9 Mar 2013 at 7:44

[GoogleCodeExporter]

Happens on the last git build as well. (Maybe it's time to update the market 
version?)

Original comment by radioano...@gmail.com on 9 Mar 2013 at 7:49