qemu_command: Fix check for gluster disks
qemu_command: Fix check for gluster disks

Signed-off-by: Jiri Denemark <62bdf77dc47919a4d59a91822129d14633cfca81@redhat.com>

nertpinx/libvirt,andreabolognani/libvirt,eskultety/libvirt,jardasgit/libvirt,taget/libvirt,olafhering/libvirt,nertpinx/libvirt,crobinso/libvirt,VenkatDatta/libvirt,eskultety/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,datto/libvirt,eskultety/libvirt,jfehlig/libvirt,nertpinx/libvirt,nertpinx/libvirt,libvirt/libvirt,VenkatDatta/libvirt,jfehlig/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,zippy2/libvirt,VenkatDatta/libvirt,crobinso/libvirt,andreabolognani/libvirt,taget/libvirt,libvirt/libvirt,fabianfreyer/libvirt,olafhering/libvirt,crobinso/libvirt,nertpinx/libvirt,jardasgit/libvirt,zippy2/libvirt,zippy2/libvirt,datto/libvirt,VenkatDatta/libvirt,datto/libvirt,jfehlig/libvirt,olafhering/libvirt,fabianfreyer/libvirt,libvirt/libvirt,jardasgit/libvirt,olafhering/libvirt,andreabolognani/libvirt,zippy2/libvirt,libvirt/libvirt,eskultety/libvirt,jardasgit/libvirt,taget/libvirt,taget/libvirt,datto/libvirt,fabianfreyer/libvirt,crobinso/libvirt,taget/libvirt,datto/libvirt,eskultety/libvirt