undo stray change to script/release

script/release

@@ -18,8 +18,7 @@ gem build -q github-pages.gemspec
 
 # Make sure we're on the master branch.
 
-(git branch | grep -q '
-master') || {
+(git branch | grep -q 'master') || {
   echo "Only release from the master branch."
   exit 1
 }