* get-deps.sh: Bump suggested serf version to 1.3.8
* get-deps.sh: Bump suggested serf version to 1.3.8


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1643482 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion