[mutter] build: Raise libXi minimum dependency for required deadlock fixes

[Jonas Ådahl <jadahl src gnome org>]

commit 36a14e65c2767fe1b09a5215b138d2be2ff90ca2
Author: Mart Raudsepp <leio gentoo org>
Date:   Sun Sep 1 15:02:01 2019 +0300

    build: Raise libXi minimum dependency for required deadlock fixes
    
    Older than 1.7.4 have deadlock bugs, see
    https://bugzilla.gnome.org/show_bug.cgi?id=738944

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 6160a4bb3..ef59222c3 100644
--- a/meson.build
+++ b/meson.build
@@ -29,7 +29,7 @@ upower_glib_req = '>= 0.99.0'
 xcomposite_req = '>= 0.4'
 xkbcommon_req = '>= 0.4.3'
 xfixes_req = '>= 3'
-xi_req = '>= 1.6.99.1'
+xi_req = '>= 1.7.4'
 xrandr_req = '>= 1.5.0'
 libstartup_notification_req = '>= 0.7'
 libcanberra_req = '>= 0.26'