python-itsdangerous: add .hash file
Fixes:
http://autobuild.buildroot.org/results/596/596f5d6eee03ce94adaca34a6f5b61aed7f929ce/
http://autobuild.buildroot.org/results/a4d/a4d836ab3a0b571b6eab232dc66b5b6ff238d440/
Similar to jquery-keyboard, it seems the python-itsdangerous 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>
Peter Korsgaard