imsettings: add missing DEPENDS on autoconf-archive-native

This can be satisfied via transitive dependencies, but make it an
explicit DEPENDS.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-xfce/recipes-extended/imsettings/imsettings_1.8.3.bb

@@ -12,7 +12,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=2d5025d4aa3495befef8f17206a5b0a1"
 
 inherit autotools gtk-doc gobject-introspection gettext features_check
 
-DEPENDS = "gtk+3 libnotify"
+DEPENDS = "autoconf-archive-native gtk+3 libnotify"
 
 REQUIRED_DISTRO_FEATURES = "x11"