Fix a deprecation warning for the md5 module.
Fix a deprecation warning for the md5 module.

gco/rietveld,rietveld-codereview/rietveld,dushmis/rietveld,ericmckean/rietveld,supriyantomaftuh/rietveld,kscharding/integral-solutions-smxq,gco/rietveld,gavioto/rietveld,dushmis/rietveld,nareshboddepalli/touchites-codereview,fuzan/rietveld,google-code-export/rietveld,kscharding/integral-solutions-smxq,foolonhill/rietveld,openlabs/cr.openlabs.co.in,nareshboddepalli/touchites-codereview,berkus/rietveld,xtypebee/rietveld,supriyantomaftuh/rietveld,draem0507/rietveld,rietveld-codereview/rietveld,ericmckean/rietveld,foolonhill/rietveld,arg0/rietveld,rietveld-codereview/rietveld,andyzsf/rietveld,nbodepallictr/touchites-codereview,aungzanbaw/rietveld,draem0507/rietveld,aungzanbaw/rietveld,fuzan/rietveld,sajingeo/rietveld,andyzsf/rietveld,DeanHere/rietveld,robfig/rietveld,supriyantomaftuh/rietveld,nbodepallictr/touchites-codereview,nbodepallictr/touchites-codereview,robfig/rietveld,v3ss0n/rietveld,andyzsf/rietveld,openlabs/cr.openlabs.co.in,Koulio/rietveld,gco/rietveld,sajingeo/rietveld,berkus/rietveld,foolonhill/rietveld,aungzanbaw/rietveld,arg0/rietveld,DeanHere/rietveld,google-code-export/rietveld,nbodepallictr/touchites-test,nareshboddepalli/touchites-test,rietveld-codereview/rietveld,nbodepallictr/touchites-test,gavioto/rietveld,Koulio/rietveld,arg0/rietveld,nareshboddepalli/touchites-codereview,draem0507/rietveld,fuzan/rietveld,kscharding/integral-solutions-smxq,openlabs/cr.openlabs.co.in,dushmis/rietveld,gavioto/rietveld,berkus/rietveld,salomon1184/rietveld,v3ss0n/rietveld,robfig/rietveld,google-code-export/rietveld,v3ss0n/rietveld,xtypebee/rietveld,salomon1184/rietveld,Koulio/rietveld,salomon1184/rietveld,sajingeo/rietveld,ericmckean/rietveld,xtypebee/rietveld,nareshboddepalli/touchites-test,DeanHere/rietveld,nareshboddepalli/touchites-test,nbodepallictr/touchites-test