openvz: Cleanup indention

Some of the indents were only 2 spaces, make consistent w/ 4 spaces.
Also some indents didn't align properly. Fix them all up.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>

src/openvz/openvz_driver.c

@@ -834,6 +834,7 @@ openvzDomainSetNetwork(virConnectPtr conn, const char *vpsid,
 
     if (net == NULL)
         return 0;
+
     if (vpsid == NULL) {
         virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                        _("Container ID is not specified"));