Mark installed buffer as not modified
Mark installed buffer as not modified

Installer buffer is marked as modified after each installation. Mark it
as nomodified so that no warnings are shown when the buffer is closed.

ppslinux/Vundle.vim,kotamat/vundle,omalsa04/dotfiles,omalsa04/dotfiles,ppslinux/Vundle.vim,ppslinux/Vundle.vim,kotamat/vundle,akiniwa/dotfiles,akiniwa/dotfiles,akiniwa/dotfiles,stephaneliu/dotfiles,akiniwa/dotfiles,akiniwa/dotfiles,kotamat/vundle,kotamat/vundle,akiniwa/dotfiles,ppslinux/Vundle.vim,ppslinux/Vundle.vim,ppslinux/Vundle.vim,stephaneliu/dotfiles,kotamat/vundle,TLmaK0/my_vim_config,sensorario/Vundle.vim