qemu: Sort the numa params only when it affects the live config

As the next boot doesn't have to worry about the previous numa
params setting (there is no).

src/qemu/qemu_driver.c

@@ -7179,6 +7179,7 @@ qemuDomainSetMemoryParameters(virDomainPtr dom,
         goto cleanup;
     }
 
+    if (flags & VIR_DOMAIN_AFFECT_LIVE) {
         /* Get current swap hard limit */
         rc = virCgroupGetMemSwapHardLimit(group, &val);
         if (rc != 0) {
@@ -7207,6 +7208,7 @@ qemuDomainSetMemoryParameters(virDomainPtr dom,
                 }
             }
         }
+    }
 
     ret = 0;
     for (i = 0; i < nparams; i++) {