Pls review 7016998 (XS)

[Paul Hohensee]

7016998: gcutil class LinearLeastSquareFit doesn't initialize some of 
its fields
Summary: Initialize _sum_x_squared, _intercept and _slope in constructor.
Reviewed-by:

Webrev here

http://cr.openjdk.java.net/~phh/7016998/webrev.00/

Summary says it all.

Thanks,

Paul