Avoid NPE when the default branch cannot be identified

Robin Rosenberg

2013-09-01 02ede7f11c6fb28ca53fc240905cd1b140236f08

1
PR.registerLangHandler(PR.sourceDecorator({keywords:"bytes,default,double,enum,extend,extensions,false,group,import,max,message,option,optional,package,repeated,required,returns,rpc,service,syntax,to,true",types:/^(bool|(double|s?fixed|[su]?int)(32|64)|float|string)\b/,cStyleComments:!0}),["proto"]);