configure: add used attribute in order to make NEON detection working with -flto.
This fixes a broken detection as reported here: https://bugzilla.opensuse.org/show_bug.cgi?id=1142586
Edited by Tim-Philipp Müller
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
This fixes a broken detection as reported here: https://bugzilla.opensuse.org/show_bug.cgi?id=1142586