Ruby 1.9: use String#each_line instead of #each
Ruby 1.9: use String#each_line instead of #each

String#each isn't implemented in 1.9, so switch to #each_line,
which should work in both 1.8.6 and 1.9.1.

Signed-off-by: Wincent Colaiuta <c76ac2e9cd86441713c7dfae92c451f3e6d17fdc@wincent.com>

barnaclebarnes/wikitext,wincent/wikitext,wincent/wikitext,geni/wikitext,barnaclebarnes/wikitext,geni/wikitext,geni/wikitext,barnaclebarnes/wikitext