hg: jigsaw/jake/langtools: tiny whitespace fix

[jonathan . gibbons]

Changeset: ad9a8e291a81
Author:    jjg
Date:      2016-05-02 11:43 -0700
URL:       http://hg.openjdk.java.net/jigsaw/jake/langtools/rev/ad9a8e291a81

tiny whitespace fix

! make/tools/crules/MutableFieldsAnalyzer.java