package/mpython-m2crypto: bump version

Fixes:

http://autobuild.buildroot.org/results/ee1/ee1bb80214a51c212712de8193b89a32e9901408/
http://autobuild.buildroot.org/results/ce8/ce8d5d68eef312ca168f351b845920eb62ca4eb1/
http://autobuild.buildroot.org/results/500/5004a2a9cabe75669bbe90f3ee35ab3869617fc9/



Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>