[at-spi2-core] NEWS: Fix typo

[Mike Gorse <mgorse src gnome org>]

commit d8b6a4a02446a4e72d24c7ca444baf84e341d552
Author: Mike Gorse <mgorse suse com>
Date:   Sat Aug 8 18:07:10 2020 -0500

    NEWS: Fix typo

 NEWS | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 85033f99..510ac186 100644
--- a/NEWS
+++ b/NEWS
@@ -7,7 +7,7 @@ What's new in at-spi2-core 2.37.90:
 
 * Meson: de-duplicate deps of 'Requires' in pkgconfig file (!28).
 
-* FIx use after free when an event listener is destroyed.
+* Fix use after free when an event listener is destroyed.
 
 * Make at-spi-dbus-bus.desktop validate (!30).