configure.ac: Bump down version number
configure.ac: Bump down version number

To ensure that the release candidate version has the correct
lexicographic relation to the release.

GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc