Fix quoting for configure_test.ml
Jan Tojnar reported that quoting was unsufficient: indeed, [[...]] is the proper way for quoting strings. https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/M4-Quotation.html
Prochaines maintenances programmées: lundi 06/05, lundi 03/06, lundi 01/07
Pour plus d'informations: https://doc-si.inria.fr/display/SU/Gitlab
Jan Tojnar reported that quoting was unsufficient: indeed, [[...]] is the proper way for quoting strings. https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/M4-Quotation.html