[gnome-desktop] build: seccomp is not supported on 32-bit sparc

[Michael Catanzaro <mcatanzaro src gnome org>]

commit a5d4568c157a0180241d2ab0f9479c68e27b8db8
Author: Mart Raudsepp <leio gentoo org>
Date:   Fri Dec 14 23:27:09 2018 +0200

    build: seccomp is not supported on 32-bit sparc

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 14fa7f2f..44f73d7d 100644
--- a/meson.build
+++ b/meson.build
@@ -52,7 +52,7 @@ udev_dep = dependency('libudev', required: get_option('udev'))
 host_os = host_machine.system()
 host_cpu = host_machine.cpu()
 supported_os = ['linux']
-unsupported_cpus = ['alpha', 'ia64', 'm68k', 'sh4', 'sparc64']
+unsupported_cpus = ['alpha', 'ia64', 'm68k', 'sh4', 'sparc', 'sparc64']
 if supported_os.contains(host_os) and not unsupported_cpus.contains(host_cpu)
   seccomp_dep = dependency('libseccomp')
 else