storage_conf: Fix indentions in storage_conf.c
storage_conf: Fix indentions in storage_conf.c

Uses the 4 spaces for indention.

rlaager/libvirt,shugaoye/libvirt,libvirt/libvirt,elmarco/libvirt,cbosdo/libvirt,rlaager/libvirt,shugaoye/libvirt,zhlcindy/libvirt-1.1.4-maintain,zippy2/libvirt,jfehlig/libvirt,datto/libvirt,nertpinx/libvirt,zippy2/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,olafhering/libvirt,cbosdo/libvirt,eskultety/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,datto/libvirt,taget/libvirt,eskultety/libvirt,jfehlig/libvirt,eskultety/libvirt,VenkatDatta/libvirt,cbosdo/libvirt,zhlcindy/libvirt-1.1.4-maintain,crobinso/libvirt,taget/libvirt,nertpinx/libvirt,agx/libvirt,crobinso/libvirt,elmarco/libvirt,shugaoye/libvirt,datto/libvirt,crobinso/libvirt,elmarco/libvirt,zhlcindy/libvirt-1.1.4-maintain,agx/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,zippy2/libvirt,taget/libvirt,eskultety/libvirt,libvirt/libvirt,zhlcindy/libvirt-1.1.4-maintain,andreabolognani/libvirt,libvirt/libvirt,rlaager/libvirt,shugaoye/libvirt,agx/libvirt,nertpinx/libvirt,andreabolognani/libvirt,jardasgit/libvirt,cbosdo/libvirt,elmarco/libvirt,agx/libvirt,taget/libvirt,olafhering/libvirt,jardasgit/libvirt,rlaager/libvirt,rlaager/libvirt,andreabolognani/libvirt,datto/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,zhlcindy/libvirt-1.1.4-maintain,datto/libvirt,nertpinx/libvirt,jardasgit/libvirt,olafhering/libvirt,cbosdo/libvirt,agx/libvirt,VenkatDatta/libvirt,crobinso/libvirt,olafhering/libvirt,zippy2/libvirt,elmarco/libvirt,jfehlig/libvirt,eskultety/libvirt,taget/libvirt,fabianfreyer/libvirt,libvirt/libvirt,shugaoye/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,jardasgit/libvirt