Update rbx-2.2.10 checksum

The checksum of the official download has changed since initial publish
time. I have compared the two downloads and it seems it was only a
single whitespace change in `.bundle/config`.

share/ruby-build/rbx-2.2.10

 require_llvm 3.2
-install_package "rubinius-2.2.10" "http://releases.rubini.us/rubinius-2.2.10.tar.bz2#2a3e6b71f27073b8d83b9592b05523af70bc147ddcd0673bffae55b4167c9d81" rbx
+install_package "rubinius-2.2.10" "http://releases.rubini.us/rubinius-2.2.10.tar.bz2#3cb1a6ab2eba19b6dc84734666bb17a34332d247641b1a88b4c9324c69347780" rbx