gcr: Require x11 DISTRO_FEATURE

This enables a world build without x11. GTK3DISTROFEATURES is not
enough because gtk+-x11.pc is still required.

Fixes [YOCTO #8611].

(From OE-Core rev: b1175339287395a7ad4fe4639a73f3a1dda74358)

Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
(cherry picked from commit dbdcd87144cc1cd6c5d50c800c7f266aaf25ca17)
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-gnome/gcr/gcr_3.16.0.bb

@@ -7,7 +7,9 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=55ca817ccb7d5b5b66355690e9abc605"
 
 DEPENDS = "gtk+3 p11-kit glib-2.0 libgcrypt vala"
 
-inherit autotools gnomebase gtk-icon-cache gtk-doc
+inherit autotools gnomebase gtk-icon-cache gtk-doc distro_features_check
+# depends on gtk+3, but also x11 through gtk+-x11
+REQUIRED_DISTRO_FEATURES = "x11"
 
 SRC_URI[archive.md5sum] = "d5835680be0b6a838e02a528d5378d9c"
 SRC_URI[archive.sha256sum] = "ecfe8df41cc88158364bb15addc670b11e539fe844742983629ba2323888d075"