libseccomp: add .hash file

Fixes:
http://autobuild.buildroot.org/results/07f/07fecbce8ca4b0a69e86b93021df80dbc2c45497/

Similar to jquery-keyboard, it seems the libseccomp tarball on the
autobuilder is corrupt.  Fix it by adding a .hash file so it falls back to
our s.b.o mirror.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

diff --git a/package/libseccomp/libseccomp.hash b/package/libseccomp/libseccomp.hash
new file mode 100644 (file)
index 0000000..b0e145f
--- /dev/null
+++ b/package/libseccomp/libseccomp.hash
@@ -0,0 +1,2 @@
+# Locally calculated
+sha256 fee0a6671f160481dcd07760ea0df8b6d954bdd8b4ab20a423ac9ade5e4feced  libseccomp-v2.2.3.tar.gz