virutil: Fix compilation on non-linux platforms
virutil: Fix compilation on non-linux platforms

There has been a typo in virIsCapbleVport function name.

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