Scrolling in the Search Window

[zac]

When first opening the search window, the table is capable of scrolling in the horizontal direction.

Steps to Reproduce:

1. Open Xcode.
2. Open Product > CocoaPods > Search Pod ...
3. Scroll horizontally in the table view

Expected Behavior: The table can't scroll horizontally and the Summary column is properly truncated.
Actual Behavior: The table can scroll horizontally and the Summary column is wider than it should be.