Fixed configure.ac.
Fixed configure.ac.

Monotone-Parent: 6ea8d24300c708f05f49657644ff58e9b12a0eae
Monotone-Revision: 4803aebac7b93b626936e925029aaa979a0f31d5

FrancisRussell/desola,FrancisRussell/desola,FrancisRussell/desola