remove call to QStringList::reserve so we can build on Qt4.6
remove call to QStringList::reserve so we can build on Qt4.6

more1/rstudio,jzhu8803/rstudio,vbelakov/rstudio,pssguy/rstudio,vbelakov/rstudio,tbarrongh/rstudio,JanMarvin/rstudio,piersharding/rstudio,vbelakov/rstudio,pssguy/rstudio,brsimioni/rstudio,githubfun/rstudio,githubfun/rstudio,piersharding/rstudio,piersharding/rstudio,JanMarvin/rstudio,brsimioni/rstudio,pssguy/rstudio,maligulzar/Rstudio-instrumented,brsimioni/rstudio,maligulzar/Rstudio-instrumented,maligulzar/Rstudio-instrumented,jrnold/rstudio,JanMarvin/rstudio,thklaus/rstudio,nvoron23/rstudio,john-r-mcpherson/rstudio,githubfun/rstudio,suribes/rstudio,sfloresm/rstudio,jzhu8803/rstudio,edrogers/rstudio,thklaus/rstudio,jzhu8803/rstudio,sfloresm/rstudio,jrnold/rstudio,tbarrongh/rstudio,suribes/rstudio,jar1karp/rstudio,JanMarvin/rstudio,vbelakov/rstudio,jrnold/rstudio,more1/rstudio,piersharding/rstudio,thklaus/rstudio,suribes/rstudio,edrogers/rstudio,suribes/rstudio,jar1karp/rstudio,jar1karp/rstudio,Sage-Bionetworks/rstudio,githubfun/rstudio,sfloresm/rstudio,Sage-Bionetworks/rstudio,john-r-mcpherson/rstudio,jrnold/rstudio,piersharding/rstudio,githubfun/rstudio,john-r-mcpherson/rstudio,pssguy/rstudio,maligulzar/Rstudio-instrumented,john-r-mcpherson/rstudio,tbarrongh/rstudio,maligulzar/Rstudio-instrumented,thklaus/rstudio,jrnold/rstudio,tbarrongh/rstudio,john-r-mcpherson/rstudio,thklaus/rstudio,tbarrongh/rstudio,nvoron23/rstudio,vbelakov/rstudio,jzhu8803/rstudio,edrogers/rstudio,Sage-Bionetworks/rstudio,vbelakov/rstudio,vbelakov/rstudio,vbelakov/rstudio,jzhu8803/rstudio,JanMarvin/rstudio,suribes/rstudio,brsimioni/rstudio,pssguy/rstudio,JanMarvin/rstudio,more1/rstudio,edrogers/rstudio,edrogers/rstudio,nvoron23/rstudio,maligulzar/Rstudio-instrumented,suribes/rstudio,jar1karp/rstudio,Sage-Bionetworks/rstudio,jzhu8803/rstudio,edrogers/rstudio,tbarrongh/rstudio,piersharding/rstudio,thklaus/rstudio,sfloresm/rstudio,tbarrongh/rstudio,piersharding/rstudio,jrnold/rstudio,jar1karp/rstudio,jrnold/rstudio,more1/rstudio,Sage-Bionetworks/rstudio,pssguy/rstudio,jar1karp/rstudio,githubfun/rstudio,JanMarvin/rstudio,nvoron23/rstudio,john-r-mcpherson/rstudio,edrogers/rstudio,tbarrongh/rstudio,more1/rstudio,Sage-Bionetworks/rstudio,suribes/rstudio,jrnold/rstudio,nvoron23/rstudio,maligulzar/Rstudio-instrumented,maligulzar/Rstudio-instrumented,piersharding/rstudio,more1/rstudio,jar1karp/rstudio,brsimioni/rstudio,jar1karp/rstudio,thklaus/rstudio,more1/rstudio,sfloresm/rstudio,JanMarvin/rstudio,piersharding/rstudio,nvoron23/rstudio,jar1karp/rstudio,nvoron23/rstudio,githubfun/rstudio,brsimioni/rstudio,edrogers/rstudio,jzhu8803/rstudio,sfloresm/rstudio,sfloresm/rstudio,pssguy/rstudio,sfloresm/rstudio,Sage-Bionetworks/rstudio,JanMarvin/rstudio,suribes/rstudio,john-r-mcpherson/rstudio,brsimioni/rstudio,pssguy/rstudio,john-r-mcpherson/rstudio,jrnold/rstudio,githubfun/rstudio,brsimioni/rstudio,maligulzar/Rstudio-instrumented,more1/rstudio,thklaus/rstudio,jzhu8803/rstudio