qemu: caps: Fix syntax-check failure in version based capabilities
qemu: caps: Fix syntax-check failure in version based capabilities

A single-line 'if' body should not be encased in curly braces. Our
syntax-check enforces it. Introduced in 7f3515b4bb677d0ead1887547efc844

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