[R-SIG-Mac] R-2.4.1 built with Apple compiler Xcode 2.4.1 on Intel crashes

[Bill Northcott]

> I have found some code which cause R 2.4.1 built with the C and C++  
> compilers in Xcode 2.4.1 to crash.

Please forget that.  I recompiled RGUI with the same compilers and  
the problem went away!

Bill