Trim all spaces after 'version:'
Trim all spaces after 'version:'

... that we grep out of libraries/Cabal/Cabal/Cabal.cabal

This is necessary because the file got reformatted
in the 'master' branch.

(cherry picked from commit 1101045cbdbd6f240fa7e2438d9488822cd604fb)

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