build: bump clutter requirement to 1.15.90

PopupMenus don't render properly with clutter older than this.

https://bugzilla.gnome.org/show_bug.cgi?id=722593

diff --git a/configure.ac b/configure.ac
index ac6971283097b2f9d27c513a0bf1bab5a8b0e3d4..d1bb66949ea71fb82f0031f1904893d13f55ee15 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -73,7 +73,7 @@ AS_IF([test x$enable_systemd != xno], [
 
 AC_MSG_RESULT($enable_systemd)
 
-CLUTTER_MIN_VERSION=1.13.4
+CLUTTER_MIN_VERSION=1.15.90
 GOBJECT_INTROSPECTION_MIN_VERSION=0.10.1
 GJS_MIN_VERSION=1.39.0
 MUTTER_MIN_VERSION=3.11.1