[7u4] Review request for CR 7134730

[Greg Brown]

Please ignore - I meant to send this to the Mac dev list.

On Jan 27, 2012, at 8:44 AM, Greg Brown wrote:

> This change resolves some path issues in the XCode project that builds the JavaAppLauncher executable and updates the XCode project for XCode 4.2. It also fixes some issues with classpath and command-line argument handling.
> 
> <xcode.diff>
>