Change github path

Change-Id: I9dadf7506c736284700beb5115bf31d8b7e97cf6
diff --git a/setup-ramcloud.sh b/setup-ramcloud.sh
index 0495d3a..1db2d1c 100755
--- a/setup-ramcloud.sh
+++ b/setup-ramcloud.sh
@@ -11,7 +11,7 @@
 fi
 
 # clone ramcloud
-git clone git@github.com:y-higuchi/ramcloud.git ${RAMCLOUD_HOME}
+git clone git://github.com/y-higuchi/ramcloud.git ${RAMCLOUD_HOME}
 cd ${RAMCLOUD_HOME}
 git checkout custom