BUILD: Fix a typo in inotify.m4
This typo prevented HAVE_INOTIFY from ever being set and as an effect,
prevented /etc/resolv.conf inotify detection from working
Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com>
(cherry picked from commit 2927dc45b9bc810f4f55bce165bb96405129e693)
(cherry picked from commit 495289cfa922b00278aa91d433489403e792304e)