Fixes a bug where Simplifier.conditional() could recurse back into
itself and cause an NPE.  It should actually tolerate null as the
first argument.

Review by: scottb



git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@5070 8db76d5a-ed1c-0410-87a9-c151d255dfc7
2 files changed