jack2: add .hash file

Fixes:
http://autobuild.buildroot.org/results/cc3/cc3590d9c602b38701398786741fceb612445b92/
http://autobuild.buildroot.org/results/2a6/2a691d01d8c91aa1058960f5176ad611b3549f36/

Similar to jquery-keyboard, it seems the jack2 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/jack2/jack2.hash b/package/jack2/jack2.hash
new file mode 100644 (file)
index 0000000..ab031b9
--- /dev/null
+++ b/package/jack2/jack2.hash
@@ -0,0 +1,2 @@
+# Locally calculated
+sha256 88f1b6601b7c8950e6a2d5940b423a33ee628ae5583da40bdce3d9317d8c600d  jack2-v1.9.10.tar.gz