Path build GUI slope option doesn't reset if the option isn't valid anymore

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Open Paths
2. Select square to place a path
3. Choose a direction
4. Choose the upward slope
5. Buy 1 path
6. Choose the downward slope
7. Buy 1 path

What is the expected output? 
The downward slope option should be deselected and shaded to show that it isn't 
allowed.

What do you see instead?
The downward slope option is still selected upon selecting other options, like 
a flat piece or upward slope keeps the downward slope option remains selected.

What version of the product are you using? 
r531

On what operating system?
GNU/Linux

Please provide any additional information below.

Original issue reported on code.google.com by AWate...@gmail.com on 15 Nov 2012 at 2:42

[GoogleCodeExporter]

This is a patch I made that resolves the issue.

Original comment by AWate...@gmail.com on 15 Nov 2012 at 2:43

Attachments:

• issue11.patch

[GoogleCodeExporter]

Fixed in r536; thanks for the patch

Original comment by Alberth2...@gmail.com on 16 Nov 2012 at 6:54

• Changed state: Fixed