build: fix syntax-check for storage_backend
build: fix syntax-check for storage_backend

Signed-off-by: Martin Kletzander <e82f23e74d43760279ebcc505dac4ae70d5627d0@redhat.com>

shugaoye/libvirt,taget/libvirt,shugaoye/libvirt,rlaager/libvirt,jardasgit/libvirt,jardasgit/libvirt,libvirt/libvirt,rlaager/libvirt,eskultety/libvirt,agx/libvirt,VenkatDatta/libvirt,crobinso/libvirt,libvirt/libvirt,shugaoye/libvirt,elmarco/libvirt,eskultety/libvirt,VenkatDatta/libvirt,olafhering/libvirt,elmarco/libvirt,zippy2/libvirt,datto/libvirt,jardasgit/libvirt,andreabolognani/libvirt,taget/libvirt,libvirt/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,nertpinx/libvirt,rlaager/libvirt,nertpinx/libvirt,jfehlig/libvirt,zippy2/libvirt,taget/libvirt,eskultety/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,agx/libvirt,datto/libvirt,andreabolognani/libvirt,zippy2/libvirt,nertpinx/libvirt,jfehlig/libvirt,agx/libvirt,taget/libvirt,agx/libvirt,rlaager/libvirt,VenkatDatta/libvirt,datto/libvirt,libvirt/libvirt,taget/libvirt,zippy2/libvirt,shugaoye/libvirt,olafhering/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,datto/libvirt,elmarco/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,datto/libvirt,crobinso/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,elmarco/libvirt,fabianfreyer/libvirt,agx/libvirt,crobinso/libvirt,olafhering/libvirt,andreabolognani/libvirt,jfehlig/libvirt,olafhering/libvirt,shugaoye/libvirt,crobinso/libvirt,rlaager/libvirt,eskultety/libvirt,nertpinx/libvirt,jfehlig/libvirt,elmarco/libvirt,eskultety/libvirt